All Episodes
Everything Everywhere Daily: History, Science, Geography, & More — 1000 episodes
The Liberal Arts
John Dickinson: The Reluctant Revolutionary
The US Occupation of Japan
Currencies of the World
The Rise and Fall and Rise and Fall and Rise of Deng Xiaoping
The Battle of Antietam
All About Peppers
The Rise and Fall of Napoleon III
Incredible Fan Movie Theories
The History of Catalog Shopping
Percy Fawcett and the Lost City of Z
Deterrence and The Spectacle of Punishment
Heavyweight Champion Jack Johnson
The French Resistance
The Peasants' Revolt of 1381
The Rare Earth Hypothesis
The Odyssey of the Odyssey
Questions and Answers: Volume 44
The History of Glass
The Colonial History of South Africa
The History of Shipping and How It Created the Modern World
The Toledo War: Michigan vs Ohio (Encore)
Timur and the Timurid Empire
The Mormon Migration and the Creation of Utah
The Age of Enlightenment
Murder Incorporated
The Little Rock Nine
The First Seven Ecumenical Councils
The History of Petra
Ancient Deforestation
Stalingrad: The Bloodiest Battle in History (Encore)
All About ePaper
Julius and Ethel Rosenberg
The History of Batman
The World in the Year 500
Yosemite National Park
Why Can't The US Do Better In the World Cup?
The Rosenhan Experiment
George IV and The Regency Era
The History of the Hamburger (Encore)
Ashoka the Great
The Rise and Fall of Feudalism in Medieval Europe
Gil Eanes and the Volta do Mar
Lake Baikal: The Largest Lake on Earth
Florence Nightingale and the Birth of Modern Healthcare
The History of the 4th of July Celebrations
The Wealth of Nations
The Hippie Movement
6th Anniversary Episode
Bobby Bonilla Day
The Dangers of Weightlessness and Its Solutions
The Kentucky Cave Wars: The Strange Fight Beneath Mammoth Cave
Mountain Men: America’s First Frontier Legends
Lavrentiy Beria: The Rise and Fall of Stalin's Right-Hand Man
The Barbary Wars
The 1986 World Cup
The Many Failed Assassination Attempts on Fidel Castro
The 1984-85 Ethiopian Famine
The Smithsonian Institution: The Strange Origin of America’s Greatest Museum
Messier Objects (Encore)
Miranda Rights: Why You Have the Right to Remain Silent
Sodium: The Dangerous Yet Vital Element
The Epic of Gilgamesh
The Hanging Gardens of Babylon
A Brief History of Korea
Wide Screen Film Formats
Real Life Cryptids
Yellow River: The Cradle of Chinese Civilization
Nuke the Moon: Project A119
Elephants: Nature’s Largest Land Animals
The Gallipoli Campaign
The Scopes Monkey Trial
The 2018 Tham Luang Cave Rescue
The Lincoln-Douglas Debates
Coconuts: The World’s Most Useful Fruit
Joseph Mengele: The Angel of Death
What Have the Romans Ever Done for Us?
Yemen's Long and Complicated History
Questions and Answers: Volume 43
The 1921 Tulsa Massacre
The History of the Pentagon
The Rise and Fall of the Aztec Empire
Chaos Theory and the Butterfly Effect
CPR: Cardiopulmonary Resuscitation
The Ebola Virus
The Story of Rum
The Indianapolis 500
The Australian Outback
P.T. Barnum: The Greatest American Showman
The 1967 Anguilla Revolution
Genghis Khan: The Man Who Built the Mongol Empire
Failed Physical Media Formats
The English Reformation
The Spanish Flu Pandemic
Stablecoins: What They Are and How They Work
Larry Doby and Breaking the American League Color Barrier
Colorado River: The River That Built the American West
The Battle of the Plains of Abraham: How Quebec Became British
Mitsubishi Zero: The Aircraft That Changed WWII Aviation
The Traitorous Eight and The Birth of Silicon Valley
Rainbows And How They Work
Project Mercury: America's First Steps Into Space
The Indian Ocean Trade
Calendar Reform (Encore)
Laos: The Forgotten Nation of Southeast Asia
The Rise and Fall of OPEC
The Trial of Galileo Galilei
Julius Caesar's Quadruple Triumph
Horse Racing: From Ancient Chariots to the Modern Track
Questions and Answers: Volume 42
Sparta: The Ancient Greek Warrior State
The Resurrectionists: Grave Robbers Who Built Modern Medicine
Bernardo de Gálvez: Forgotten Hero of the American Revolution
Cotton: How It Helped Build The Modern World
The World's Oddest Riots
Jakob Fugger: The Richest Man in History
The Caucasus: Where Europe Meets Asia
Mythical Creatures: Unicorns, Dragons, and Mermaids
The Temple of Artemis at Ephesus
Quantum Computing
Representative Riffs (Encore)
The Indian Rebellion of 1857
The World's Worst Located Cities
The Tiananmen Square Massacre
The History of Sneakers: How Athletic Shoes Took Over the World
Steel: The Metal That Made the Modern World
Nazino Tragedy: The Shocking Story of Stalin’s Prison Island
The Lewis and Clark Expedition
The Occupation and Liberation of Paris (Encore)
The Greatest National Parks in the Southern Hemisphere
The Norse Pantheon: Gods, Giants, and the Legends of Asgard
The Cuban Revolution
Las Vegas: The City That Shouldn’t Exist
Flags of Convenience: The Hidden System Behind Global Shipping
The Year 1000
The African Great Lakes: Ancient Waters That Shape Modern Africa
The Icelandic Althing: The World's Oldest Parliament
Radium Girls: The True Story That Changed Workplace Safety Laws
Akhenaten: The First Monotheist
Questions and Answers: Volume 41
The Rise, Fall, and Possible Rise of Maslin Agriculture
The Element Iodine: Its Discovery, Health Benefits, and Why It’s in Salt
The Decision to Drop the Atomic Bomb
The Battle of Salamis: The Naval Victory That Saved Ancient Greece
Satellite Internet: How It Works
Geronimo: The Last Great Native American Resistance Leader
The Dark Origins of Fairy Tales, Part 2
The Great Stink: How a Horrific Smell Changed London Forever
Waco Siege Explained: What Happened in 1993
March Madness: The History of the NCAA Basketball Tournament
Uninhabited US Territories: America's Crumbs
Maori Settlement of New Zealand: How Polynesians Reached Aotearoa
The Chicxulub Impact: The Asteroid That Killed the Dinosaurs
The Persian Gulf Explained: History, Oil, and Global Importance
Vincent van Gogh Explained: Life, Art, and Rise to Fame After Death
The Globalization of Baseball
The Greatest Oscar Snubs
The North American Bison
North Sentinel Island
The Purple Heart
The Harlem Renaissance
Skylab
Ivan Pavlov and His Dogs
The Mexican Revolution
Who is Alan Smithee
The East African Slave Trade
The Plot to Steal the Body of Abraham Lincoln
The Inca Empire
The History of Tobacco
The Young Turks
Questions and Answers: Volume 40
Edgar Allan Poe
The American Basketball Association
Marvel Comics
Did George Mallory Climb Mount Everest First?
The Danish Resistance
The Ultraviolet Catastrophe (Encore)
Curling
Stateless People
The Loomis Fargo Heist
The Battle of Kasserine Pass
The Darien Scheme
Andersonville Prison
Home Runs
The Rise and Fall of Lin Biao
Beavers
Emperor Caligula
The Dust Bowl
The Song Dynasty
Ice Cream
The History of Science Fiction
The Late Bronze Age Collapse
Soccer in South America
The Revolutions of 1848
The Indus Valley Civilization
The Science of Swimming
The Iranian Revolution
Everything You Never Really Cared To Know About Groundhog Day
Questions and Answers: Volume 39
The Battle of Trafalgar
Patrice Lumumba and Congolese Independence
The Crisis of the Third Century (Encore)
Disney Animation
Solidarity
The Baseball Hall of Fame
Sigmund Freud
The Clovis First Hypothesis
The Mali Empire
The May Fourth Movement
The Year 2025
The Julio-Claudian Dynasty (Encore)
The Great London Fire of 1666
The Grateful Dead
The Tokyo Trials
Insanely Ridiculously Absurdly Large Numbers
The House of Wisdom
Moldova
Leninism vs Maoism
The Honey Hunters of the Sundarbans
Area 51
The Last Emperor of China (Encore)
The Night Witches
Earthquakes
Gabon
The Dark Origins of Fairy Tales, Part I
Al Capone
The Great Arab Revolt
The Warsaw Ghetto Uprising
The Defenestrations of Prague
Questions and Answers: Volume 38
The Boxer Rebellion (Encore)
The Empire That Never Existed
The Mahan Doctrine
Episode 2001: A Podcasting Odyssey
The Year 2000
The Battle of Trenton (Encore)
A History of Christmas Trees
Maslow's Hierarchy of Needs
National Geographic
The Chartist Movement
The Domestication of the Horse (Encore)
Europa
The 1994 Rwandan Genocide
Synthetic Diamonds
The History of Coca-Cola
Lend Lease
The Cortes of Leon of 1188
The History of the Bow and Arrow (Encore)
The Nancy Grace Roman Space Telescope
Pocahontas
Helium
Romance Languages
The Luddites
All About Dog Breeds
The Manhattan Project (Encore)
Operation Bernhard
A Brief History of Neckties
NASCAR
The History of Nintendo
The Year 1975
Questions and Answers: Volume 37
Panama
Italian vs German Fascism
The Desecration of St. Denis (Encore)
The Apollo 1 Disaster (Encore)
Imperial Units of Measure (Encore)
Roller Coasters
The Paraguayan War (Encore)
The Ottoman Empire
The Kokoda Track
The Phoebus Cartel
The Marshall Plan (Encore)
Swiss Neutrality
Hollow Nickel Case
The V2 Rocket
Alexander Hamilton
The Fra Mauro Medieval World Map
Borobudur
LEGO
Dubai
The World's Greatest Art Museums
The Taiping Rebellion
Cracking the Enigma Code (Encore)
Kaliningrad
The Year 1950
Compound Interest (Encore)
The Sinking of the Lusitania
The 1969 Sino-Soviet Border Conflict
The Origins of the Federal Reserve
The Dominican Republic
Questions and Answers: Volume 36
Pumpkins
The Eastern Front of World War I
Zombies (Encore)
Black Tuesday and the 1929 Stock Market Crash (Encore)
Challenger Deep and the Mariana Trench
The Shroud of Turin
The Winter War
The History of NATO
The 1989 Romanian Revolution
The Younger Dryas
Popcorn
Starship Update
Napoleon’s 100 Days (Encore)
The Cultural Revolution
Margarine
The Zodiac Killer
The Battle of Actium
The 2025 Nobel Prizes
The Year 1925
Prohibition (Encore)
FBI Behavioral Analysis Unit
The Wilhelm Scream
The History of Personal Computing
The Gateway Arch
Bhutan
Top-Level Domain Names
Gemstones (Encore)
The Six Cradles of Civilization
The Louisiana Purchase
The Wannsee Conference
Questions and Answers: Volume 35
Classical Music 101
Cannons and Artillery
John Brown
The Law of the Sea (Encore)
A History of Soap and Detergent
King Leopold and the Congo Free State
German POWs in America
The Washington Monument
The Velvet Revolution and The Velvet Divorce
The 1970 Ancash Earthquake
The Domestication of Sheep
The Origins of the Vietnam War (Encore)
The Year 1900
The Black Dahlia
Dendrochronology
Star Wars
The Arctic and the North Pole
Hannibal Barca and the Second Punic War
The Never Ending Voyager Missions
Leonardo da Vinci
Uruguayan Air Force Flight 571
The Long Telegram
Six Degrees of Separation
The Germ Theory of Disease (Encore)
Hitler's Family
The Lost Colony of Roanoke (Encore)
Ivory Coast /Côte d'Ivoire
Names of Animal Groups
Energy, Work, and Power
Questions and Answers: Volume 34
The Pseudo-Neros
The Republic of Pirates
The 1972 Munich Olympics Massacre
Starlite: The Miracle That Never Was
The Unabomber
Francisco Macías Nguema
Emperor Nero (Encore)
European Exclaves
The Spanish Inquisition
Cyprus
The Invention of the Telephone (Encore)
Rasputin
Nuclear Power
The Trail of Tears
The 1956 Suez Crisis (Encore)
Joan of Arc (Encore)
The Whiskey Rebellion (Encore)
Frequent Flyer Programs
The Fibonacci Sequence and the Golden Ratio
Amateur Radio
The Bank of England
Yellowstone National Park (Encore)
The Soviet Bomb
The Great Leap Forward
The Banality of Evil
The Dreyfus Affair
The History of Cookbooks
The Lost Legion
The War of 1812 (Encore)
Questions and Answers: Volume 33
The Witness Protection Program
Canned Food
The Year 1850
Captain Cook
Zoroastrianism
Qin Shi Huang: China’s First Emperor (Encore)
Madagascar
Roman Gods and Goddesses
The Murder of Kitty Genovese
The AK-47
The Lisbon Regicide
Holy Relics
Air Conditioning (Encore)
The Sinking of the Mignonette and Justified Cannibalism
The Battle of Cajamarca (Encore)
Australian Wildlife
Costa Rica
Wilhelm Canaris: Working Against the Nazis From the Inside
The Storming of the Bastille
The Greatest Comebacks of All Time
The Fundamental Forces of Nature
The Gulf of Tonkin Incident (Encore)
The Haitian Revolution
Fabergé Eggs
Transistors
The Peloponnesian War
Madame la Guillotine
LEDs: Light Emitting Diodes (Encore)
The Chinese Communist Revolution
Michigan vs Ohio
Questions and Answers: Volume 32
Fifth Anniversary Episode
Marcus Licinius Crassus
Central Park (Encore)
The Sinking of the MV Wilhelm Gustloff
Undersea Fiber Optic Cables
The Republic of Ghana
Napoleon's Invasion of Russia
Innovative Sports Strategies
The French Army Mutinies of 1917
Admiral Isoroku Yamamoto (Encore)
The Great Locomotive Chase
Grass and Lawns
The Russian Revolution
The History of Apples (Encore)
Desalination
Autogyros
Transuranium Elements (Encore)
Frederick Douglass
Blue
Operation Dragoon
All About Hair
The Year 1800
How the Ancients Made Fire
The History of Ice Hockey
The History of Surgery
The Eruption of Krakatoa (Encore)
Macau
Catherine the Great
SONAR
Alternate Forms of Space Travel (Encore)
Questions and Answers: Volume 31
The History of the Hamburger
The Last Days and Death of Adolf Hitler
Marco Polo
The Bataan Death March
Bonds and the Bond Market
A History of Memorial Day (Redux)
The Moons of Jupiter
The First and Second Banks of the United States
How Much Did Rome and Sub-Saharan Africa Know About Each Other?
The Channel Tunnel
The History of Salt (Encore)
"Honest" Jack Sheppard
Emperor Diocletian
Comets
Aircraft Carriers (Encore)
1775: The Start of the American Revolution
The Norman Conquest
Alcatraz
The RMS Titanic
Miyamoto Musashi (Encore)
The Ancient Greek Olympics
Dubrovnik
The Third Amendment
Seed. Oils
The Battle of Tours (Encore)
A Journey to the Center of the Earth
Triple Crowns and Grand Slams
A Brief History of Australia
When Exactly Did the Roman Empire Fall? (Encore)
The Isles of Scilly and the 350-Year War
Questions and Answers: Volume 30
The Bahamas
Numbers Stations (Encore)
Origins of the Internet
The Battle of Vicksburg
The History of Banks and Banking
Calendar Reform
Sherman’s March to the Sea (Encore)
Sede Vacante and The Process of Papal Succession
The Medici Family and Renaissance Florence
The Battle of Marathon (Encore)
Global Reserve Currencies and the Triffin Dilemma
Biological Taxonomy and the Tree of Life
The Search for Life Outside the Solar System
Rare Earth Elements (Encore)
The History of Wire
The Occupation and Liberation of Paris
Platinum, Palladium, and Rhodium: The Other Precious Metals
Operation Barbarossa (Encore)
All About Fiji
The Ancient World Isn’t Done With Us (Live)
The Greatest Nobel Prize Snubs
A History of Lead (Encore)
The Kuiper Belt and the Oort Cloud
The History of the Guitar
The Reign of Terror
Open Source Software
The History of Pasta (Encore)
Mass Extinction Events
Questions and Answers: Volume 29
The Crimean War
Attila the Hun (Encore)
The Knuckleball
The Scientific Method
The Many, Many Invasions of Sicily
The History of Military Ranks (Encore)
Ramage’s Rampage
Hildegard of Bingen
The Columbian Exchange
Cruciferous Vegetables (Encore)
Marcus Aurelius: Emperor and Philosopher
The History of Whaling
Earth’s Magnetic Pole Reversals (Encore)
March Madness
Why is the Alphabet in Alphabetical Order?
The Battle of Gettysburg
The Invention of the Telephone
Betamax vs. VHS (Encore)
The Cardiff Giant
Lunar Eclipses
The Crossbow
Emperor Claudius (Encore)
Messier Objects
Primate and Global Cities
Artificial Turf
Hydropower
The Maginot Line (Encore)
The Underground Railroad
Timor-Leste (East Timor)
The Academy Awards
The Year 1700
Questions and Answers: Volume 28
Nellie Bly (Encore)
Economic Statistics
Andalusia
The Mexican-American War
How the Dutch Reclaimed Land From the Sea
The Tensho Embassy (Encore)
The Greek Gods
The Medal of Honor
The MItford Sisters
The Aswan High Dam
The Battle of Gaugamela
Antimatter (Encore)
The History of Poker: From Ancient Games to Modern Tournaments
Special Forces
The St Valentines Day Massacre
Spy Satellites
Separated at Birth (Encore)
The Falkland Islands
The Trojan War (Encore)
Natural Gas Explained: Past, Present, and Future
The World's Next Countries
Kim Philby and the Cambridge Five
Route 66 (Encore)
The Prime Meridian
The Battle of Stalingrad
The Origins and History of the Abolitionist Movement
How Hawaii Became a State (Encore)
Questions and Answers: Volume 27
The Five Families and How Organized Crime Became Organized
The OMG! Particle (Encore)
The History of Soft Drinks
444 Days: The Iran Hostage Crisis
The Acoustic Kitty and Other Crazy CIA Plots
Warrior Monks: The Story of the Knights Templar (Encore)
VTOL: Vertical Take-Off and Landing Aircraft
Malaria: The Disease That Shaped History
The Maha Kumbh Mela Pilgrimage: The World's Largest Religious Festival
Performance Enhancing Drugs and Substances
The Worst Day in Human History: January 23, 1556
Beijing Through the Ages: Exploring 3,000 Years of History
Presidential Inaugurations: The Peaceful Transition of Power (Encore)
Operation Market Garden (Encore)
Pyotr Ilyich Tchaikovsky and the 1812 Overture (Encore)
Caesar, Pompey, Crassus: The First Triumvirate (Encore)
Chasing the Impossible: The Enigma of Perpetual Motion (Encore)
Famine
The Schlitz Mistake
The History of the Tomato (Encore)
Gnosticism
The Ultraviolet Catastrophe and the Creation of Quantum Mechanics
Fractals
Hosting the Olympics
The Canadian Parliament
The Black Death (Encore)
The Federal Bureau of Investigation
The Vikings
Lions
The Periodic Table of the Elements (Encore)
Questions and Answers: Volume 26
New Year’s Traditions (Encore)
Tokyo
Game Shows
The Siege of Tobruk
The Geography of Canada
Boxing Day (Encore)
The Battle of Trenton
The 1826 West Point Egg Nog Riot
The Plum Pudding Riots and the Puritan War on Christmas
The Opium Wars (Encore)
How to Build a Colony on Mars
The Late Bronze Age Collapse
Superstitions
Zone Rouge and the Iron Harvest (Encore)
The Parthenon and the Acropolis of Athens
Peanuts
All About Sand
Gunung Padang (Encore)
Women's Suffrage
Prisoners of War and the Geneva Conventions
The Korean War
The Silk Road (Encore)
CDs, DVDs, and Blu Ray
The Plans for a US/Canadian War
The Julio-Claudian Dynasty
Black Holes (Encore)
The White House
The Electrical Grid
The War of the Roses
The History of Tea (Encore)
Questions and Answers: Volume 25
Representative Riffs
The Tyranny of the Rocket Equation (Encore)
The North American Turkey (Encore)
The Islamic Caliphates
Fermat's Last Theorem
Prisons and Jails
The Panic of 1893 (Encore)
The Election of 1788
The Year 1600
Multiple Births (Encore)
California
The History of the Bow and Arrow
The Blitz
Investing 101
Citizenship
The Magna Carta (Encore)
The Nile River (Encore)
The Bone Wars
All About Butter
Superman
The Northwest Passage (Encore)
The Roman Donut - LIVE!
Origin of Words and Phrases: Nautical
The Battle of the Little Big Horn
The Election of 1864 (Encore)
Project Habakkuk
The Surprising Origin of Monopoly (Encore)
Squaring the Circle
Questions and Answers: Volume 24
The East Africa Rift (Encore)
Werewolves
Vampires
Frankenstein
Mummies
Zombies
Uncontacted Peoples (Encore)
Lizzie Borden
East and West Berlin
Terraforming Mars
The Mongol Invasions of Japan (Encore)
Conflict of the Orders: Patrician vs Plebeian
The Solar Cycle
Compound Interest
The History of Breakfast
Michelangelo (Encore)
Guam And The Northern Mariana Islands
What Has the James Webb Space Telescope Discovered (So Far)?
The History of Insurance (Encore)
The Boxer Rebellion
The Battle of the Bulge
Rogue Waves
The Invention of the Airplane (Encore)
The Paraguayan War
The Marshall Plan
Bird Migrations
The Origins of Playing Cards (Encore)
The 1204 Crusader Sack of Constantinople
The Khmer Empire
Oxygen (Encore)
The Newspaper Wars: Pulitzer vs Hearst
Questions and Answers: Volume 23
Roman Roads
Antarctica’s Dry Valleys (Encore)
Relocated Sports Teams
The Sistine Chapel (Encore)
The United States Supreme Court
Napoleon's Hundred Days
The Godfather
King Tutankhamen (Encore)
The 1978 Lufthansa Heist
The Grand Ethiopian Renaissance Dam
Bowling
What is Calculus? (Encore)
Black Tuesday and the 1929 Stock Market Crash
The French Origins of English
Vichy France
The Disappearance of Michael Rockefeller (Encore)
Box Office Bombs
Lake Superior
Counterfeiting
Imperial Units of Measure
The Last Emperor of China
Silbo Gomero
Liberia (Encore)
Permutations and Combinations (Encore)
The National Park Service (Encore)
The History of Pizza (Encore)
The Donner Party (Encore)
The Most Important Supermarket Visit in History (Encore)
The First Battle of the Marne (Encore)
Questions and Answers: Volume 22
Dome of the Rock (Encore)
Once Upon A Time in Shaolin
The Prime Minister Who Was Eaten
The Crisis of the Third Century
Exercise Tiger and the Disastrous Dress Rehearsal for D-Day
Exoplanets (Encore)
Mos Maiorum and Unwritten Rules
The Unification of Italy
A Brief History of Texas
The Lighthouse of Alexandria (Encore)
Supercomputers and the Evolution of Computing Power
Dr. Sun Yat-sen (Encore)
The Scramble for Africa
The Arctic and the North Pole
The History of the Circus
The Silurian Hypothesis (Encore)
The Origin of Words and Phrases: Food
The Year 1500
The Anarchy (Encore)
The Origins of the Vietnam War
Mary, Queen of Scots
Gemstones
Fingerprints (Encore)
The Battle of Fort Sumter
The GOATs
The Manhattan Project
The Berlin Wall (Encore)
The History of Data Storage
Questions and Answers: Volume 21
Home Field Advantage
The Hughes H-4 Hercules, aka The Spruce Goose (Encore)
The Library of Congress
The Murder of Thomas Becket (Encore)
Yellowstone National Park
Gamblers Who Beat the House
Why Did The Roman Empire Fall?
The Hubble Space Telescope
Cleopatra (Encore)
The History of Motion Pictures
Tristan da Cunha: The World’s Most Isolated Settlement (Encore)
A Brief History of Nothing
The Geography of Mexico
The Germ Theory of Disease
The 1919 Chicago Black Sox Scandal (Encore)
A History of Textiles, Fabrics, and Cloth
The Battle of Carrhae
The Himalayas
The Morgenthau Plan (Encore)
The Apollo 1 Disaster
The Herculaneum Papyri
The Passenger Pigeon (Encore)
The Worst Roman Emperors (Encore)
The Origin of Words and Phrases: Common Idioms
Unintended Consequences
The English Premier League
The Horrible Voyage of the 1905 Russian Baltic Fleet (Encore)
How to Lie With Statistics
Questions and Answers: Volume 20
The Declaration of Independence (Encore)
Broadway
Thorium (Encore)
The Abdication of Edward VIII
The Drake Equation (Encore)
The North Africa Campaign
Corn aka Maize
Gregor MacGregor and the Biggest Scam in History
The Discovery and Burial of the Remains of Richard III (Encore)
Air Conditioning
The Formation of the United Nations
The Marginal Revolution (Encore)
The French Foreign Legion
The Domestication of Cats (Encore)
The History of Skyscrapers
The Moon
Phillip II of Macedon
Charles Ponzi and His Scheme (Encore)
The Danube River
The History of the Toilet
Wu Zetian: China’s Only Female Emperor (Encore)
The US Occupation of the Philippines
The Origins of Wine (Encore)
The War of 1812
The History of Books
College Sports
Ninjas (Encore)
The Five Good Emperors
D-Day
The Apollo Lunar Module
A Brief History of Central America
The History of Money (Encore)
The St. Scholastica Day Riot
Questions and Answers: Volume 19
The Gulf of Tonkin Incident
The Real Story of Cowboys
The Destruction and Rediscovery of Pompeii (Encore)
The Wonderful World of Bees
The Law of the Sea
The Bataan Death March
How Barbed Wire Shaped the West and the World (Encore)
Joan of Arc
Nazis in South America
The Rise and Fall of Yugoslavia
Why Does a Week Have Seven Days? (Encore)
All About Viruses
The Battle of Adrianople
Smuggling Silk Out of China (Encore)
The Anaconda Plan
City Syndromes
The Phoenician Civilization (Encore)
Edward Teller and the Development of the H-Bomb
Abdulrahman Ibrahim Ibn Sori: 40 Years a Slave (Encore)
All About Hair
Kamikaze
The 1956 Suez Crisis
The History of Camping
Plastics (Encore)
The Battle of Bannockburn
The Plan Dog Memorandum (Encore)
Canadian Football
Spartacus and the Third Servile War (Encore)
The Piltdown Man Hoax
Questions and Answers: Volume 18
Asteroids
A History of the Crusades
White Feather Girls (Encore)
Operation Valkyrie and the Plot to Kill Hitler (Encore)
Fifty-four Forty or Fight!
The 1854 Broad Street Cholera Outbreak (Encore)
Qin Shi Huang: China's First Emperor
Central Park
Concorde: The World’s Fastest Passenger Airplane
The Battle of the Teutoburg Forest (Encore)
The Largest Known Things in the Universe
The Origin of Words and Phrases: Military
Batteries
A Brief History of Belgium
The History of Money (Encore)
The Great Wall of China (Encore)
Sandwiches
Aircraft Carriers
King George III
Sergeant Alvin York
Ernest Shackleton and the Rescue of the Endurance (Encore)
The History of Coffee (Encore)
Songkran (Encore)
The Telemark Raids (Encore)
The Kidnapping of Charley Ross (Encore)
Solar Eclipses
Questions and Answers: Volume 17
Jackie Robinson
The Legend of Bigfoot (Encore)
Planet X
The Vestal Virgins
How About Them Apples
The Easter Controversy
Jet Propulsion
The Cult of Pythagoras (Encore)
The Unbelievable Life of Adrian Carton de Wiart
The War of the Currents (Encore)
The History of Railways
Hong Kong
Miyamoto Musashi
The History of Rice (Encore)
The History of the Bicycle (Encore)
Michelin Star Restaurants
Krakatoa
The Grand Canyon
The Election of 1860 (Encore)
The History of Stocks and Stock Exchanges
Young Julius Caesar
Pi Day (Encore)
Homing Pigeons
The History of the CIA
The Domain Name System
The History of Military Ranks
Daylight Savings (Encore)
The Legend of Ned Kelly (Encore)
Senegal and The Gambia
The Discovery of DNA
The History of Postal Delivery (Encore)
Napoleon Bonaparte
The Little Ice Age (Encore)
Questions and Answers: Volume 16
The Battle of Cajamarca
Leap Years and Leap Day
What Were The First and Second Reichs? (Encore)
Stealth Technology
Passports
Cruciferous Vegetables
The Tuskegee Airmen
The 13th Amendment (Encore)
Pearls
Spanish-American War (Encore)
The United States Presidential Nominating System
Numbers Stations
Conquering Mount Everest (Encore)
Admiral Isoroku Yamamoto
The Battle of Tours
Phrenology
Operation Paperclip (Encore)
Transuranium Elements
Marcus Antonius
The Super Bowl (Redux)
Apollo 13 (Encore)
Everything You Ever Wanted To Know About Eggs
The Whiskey Rebellion
The Desecration at St. Denis
The Gracchi Brothers (Encore)
Formal Logic
The Red Baron (Encore)
Questions and Answers: Volume 15
Operation Barbarossa
Angkor
The Geography of Spain
Domestication of the Horse
Prohibition
Universe 25 (Encore)
What is the Deal With SpaceX’s Starship? (Redux)
The James Webb Space Telescope (Redux)
The Two-Hour Marathon (Redux)
President Tyler’s Grandsons (Redux)
The Most Dominant Athlete Ever (Redux)
The Six-Star General (Redux)
Apollo 18, 19, and 20 (Encore)
A History of Lead
Emperor Nero
Cahokia
The Irish Potato Famine (Encore)
The London Underground
The History of Pasta
Swiss Mercenaries (Encore)
Alternative Forms of Space Flight
Human Life Expectancy
The Last of the Romanovs (Encore)
LEDs: Light Emitting Diodes
The Maginot Line
Everything You Need to Know About Petroleum (Encore)
Trial By Combat (Encore)
Questions and Answers: Volume 14
An Introduction to the Philippines
The Legend of Babe Ruth
The Hindenburg Disaster (Encore)
e: Euler's Number
Spirits and Liqueurs
The Surprising History of Salt
The Black Death
The Second Triumvirate (Encore)
High Fructose Corn Syrup (Encore)
The Tomb of Alexander the Great (Encore)
The Christmas Truce of 1914 (Encore)
Why is Christmas on December 25? (Encore)
Apollo 8
The Santa Claus Association
All About Snow
Non-Euclidean Geometry
Madrid
Scurvy (Encore)
The Assassination of Abraham Lincoln
Encyclopedias
The Acadian Expulsion (Encore)
Potpourri: Incredible Coincidences
Copper
Alexander the Great
Punctuation Marks (Encore)
Cracking the Enigma Code
The Quasi-War
Shakespeare’s English (Encore)
Hanukkah
Did the US Have Advanced Knowledge of the Attack on Pearl Harbor?
The Walled City of Kowloon (Encore)
The Extraordinary Life of Josephine Baker
The History of Farming
Questions and Answers: Volume 13
The Molotov–Ribbentrop Pact (Encore)
The Library of Alexandria (Encore)
Gerrymandering
Uranus
Ocean Currents
Was King Arthur Real? (Encore)
The Opium Wars
French Overseas Departments
The Donner Party
A History of Thanksgiving (Encore)