PODCAST · history
Secrets in Stone
by Cassie Coppersmith
Secrets in Stone explores the mysteries of the world’s ancient megalithic sites and what they reveal about our forgotten past.
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19
Cambodia's Lightning Pyramid of Ta Keo: Ancient Machine or Simple Temple?
Today we are exploring the mysterious "Lightning Pyramid" of Ta Keo in Cambodia — a massive five-tier structure built with an incredibly rare, ultra-hard sandstone that glows white at the top. The only pyramid in Cambodia made from this material. Official history says it was built in 975 AD, struck by lightning, and abandoned unfinished. But after walking the site and examining the evidence, I believe this pyramid was completed — and served a far more sophisticated purpose. Join me on the ground as we examine: • The extraordinary stonework and hundreds of mysterious spindles • The unique weathering patterns inside the towers • The carved sockets and mounting points under the pedestals • The tight water moat and connection to the giant East Baray reservoir • The inscriptions that may have been misinterpreted for over a century.I break down the official story, the geology, and why I believe Ta Keo may have been part of a much larger, older, and more complex ancient system. If you're into ancient mysteries, lost technology, and questioning mainstream archaeology, this one is for you.► Join us boots-on-the-ground in Cambodia & Laos – January 2027 Tour - https://www.royalangkor-tours.com/tours/mysteries-of-cambodia-tour-laos-extension-secretsinstone/ ► Gaia Ancient Civilizations Conference August 1: https://marketplace.gaia.com/products/ancient-civilizations-conference-2026► Watch my full presentation from the Quest for Ancient Civilizations conference for more on Cambodia's pyramids: https://youtu.be/S0Bz7yyXzMQ?si=hWL9KY_52G9q4rgV
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Megalithic Tarawasi with Brien Foerster: Peru’s Hidden Mystery (First Visit!)
🚨 Join me as I take you to one of Peru’s most intriguing and least-known megalithic sites — Tarawasi. In this episode, you’ll get on-the-ground footage of the site plus my exclusive sit-down interview with Brien Foerster right on the steps of Tarawasi — his very first visit. He shares his first impressions, thoughts on possible pre-diluvian origins, and comparisons to other megalithic sites across Peru. Located just 70km west of Cusco, Tarawasi features a massive 100-meter outer wall built in a stunning honeycomb pattern with precision-shaped andesite blocks, a raised platform with 28 trapezoidal niches, and clear evidence of multiple construction eras. We examine the differences between the sophisticated megalithic work and later Inca-style repairs, discuss the site’s unusual northeast-southwest alignment, unusual stone damage possibly linked to an ancient cataclysm, and why the official “mid-1400s Inca tambo” story rests on surprisingly thin evidence. We also touch on the elongated skulls and other mysteries from our unforgettable week together.👉 Join Derek Olson and me in Cambodia January 2027! https://www.royalangkor-tours.com/tours/mysteries-of-cambodia-tour-laos-extension-secretsinstone/ 👉 Brien Foerster’s tours & books: https://hiddenincatours.com/ 👉 Brien Foerster’s YouTube Channel: https://www.youtube.com/@brienfoerster 👉 Sorcerers in Stone YouTube Channel: https://www.youtube.com/@sorcerersofstone If you enjoy these explorations, please subscribe, hit the like button, and turn on notifications so you never miss an episode. Follow me on Instagram, X, and Facebook for more behind-the-scenes photos and updates.Thanks for watching — see you at the next ancient site! ✨
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Reassessing Ancient Cambodia: Live Presentation from the Quest for Ancient Civilizations Conference
After traveling extensively in Cambodia and studying its ancient sites firsthand, I'm challenging long-held assumptions about Cambodia's ancient past. In my presentation at the Quest for Ancient Civilizations Conference, I shared mysterious LiDAR findings, Cambodia's lost ancient technologies and potential global connections long overlooked. I also answer great questions from the audience at the end of the video - where some interesting revelations are disclosed!
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The Buried Pyramid of Thailand & The Mystery of Si Thep
Deep in Thailand lies the ancient moated city of Si Thep,now a UNESCO World Heritage Site, surrounded by enormous earthworks, reservoirs, and more than one hundred ancient structures. But the most intriguing monument sits just outside the city walls — a pyramid that for centuries appeared to be nothing more than a natural hill. Then archaeologists excavated the mound in 2008 anddiscovered a massive stepped pyramid hidden beneath. Officially, the site is attributed to the little-known Dvaravati culture of the 6th–9th centuries AD. But its architecture, precision sculptures, and the strange artifacts raise seriousquestions.Why is the pyramid unlike anything else in Thailand? How doyou explain the precision sculptures? Was the pyramid deliberately buried, and why?How do you explain the undeciphered script linked to India and Indonesia?In this episode of Secrets in Stone, we explore one of themost mysterious ancient sites in Southeast Asia.Links:Endless Journey YouTube Channel: @endlessjoureytravelsLinked Episode: Rewriting Cambodia’s History https://youtu.be/PedK7MZ-NSI?si=cd2IpuZtGH3I3VnvLinked Episode: Sambor Prei Kuk https://youtu.be/GyxEQ24r3sg?si=b8HCx-63B8Ov-EQILinked Episode: Koh Ker Pyramid with Shiva Lingams https://youtu.be/l4ep1QxufRc?si=j-wvyp5pcYtR1Mx5#ancienthistory #lostcivilizations #ancientpyramids #thailandhistory #archaeology
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Why Is The OLDEST Technology the Most Advanced? The Clovis & Ancient Megalith Problem!
The Clovis point is one of the most extraordinary andmysterious Ice Age technologies ever discovered. It appeared suddenly, fully formed and with no developmental history. It was one of the fastest and widest technological dispersals in human prehistory… and it appeared immediatelybefore the Younger Dryas catastrophe. In this episode, I follow the Clovis story from itsdiscovery to its collapse, and ask the question archaeology won’t ask: Where did this technology come from — and why does the most advanced lithic craftsmanship come first?Archaeologists already accept that Ice Age technology canappear suddenly, reach an extreme level of mastery, and then decline over time - as long as we’re talking about stone tools. Why is the same idea rejected when we look at ancient megalithic architecture – this is an archaeological DOUBLESTANDARD!The Clovis point is a true mystery. It’s also a reminderthat human history may not be a straight line upward — but that sometimes, the greatest achievements lie buried at the very beginning of the story. Tune in for an unforgettable episode – and stay tuned untilthe end, where I will show you Clovis, Paleo, Archaic, and other lithics from MY OWN inherited family collection —so you can see the “devolution” for yourself. Sometimes, the story becomes clearest when you hold it in yourhands!Topics covered: Clovis fluting & engineering •“Clovis First” and why it collapsed • Monte Verde • The Gault Site • Clovis aches (and why they matter) • Folsom & Bison antiquus • Archaic points • Arrowheads• The archaeological double standard.#Clovis #Arrowheads #FlintKnapping #Paleoindian#YoungerDryas #Megaliths #AncientHistory
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Koh Ker's HIDDEN 7-Tier Pyramid & Colossal Lingas: The Oldest Megalithic Site in Asia? - Part 1
🚨 Hidden deep in Cambodia's jungle lies Koh Ker – an ancient megalithic city added to UNESCO in 2023 that's 7X bigger than Angkor Wat! Discover the massive solid stone 7-tier pyramid (Asia's tallest), colossal multi-ton lingas, a 7km dam creating Cambodia’s largest ancient reservoir, bizarre black-burned temples, a megalithic sanctuary and alignments linking this mysterious site to India. Is Koh Ker WAY older than experts claim? I explored it twice in 2 weeks – and I’ll show you evidence in 4K that archaeologists do not want you to see! In Part 1: Tour Prasat Thom, climb the solid-stone pyramid, explore the colossal lingas, uncover the unexplainable black burn marks, walk through a megalithic graveyard and question the dating.00:00 Intro to Koh Ker 02:15 Site Overview & Alignments 05:30 Prasat Thom Gateway 08:45 Epic Sculptures 12:20 The 7-Tier Pyramid 16:10 Giant Lingas Revealed 20:45 Black Patina Mystery 24:30 Bedrock Carvings 27:15 Dating Evidence Debate 30:00 What's Next in Part 2Part 2: LiDAR scans, linga theories, India connections – subscribe & hit the bell!Geologists/chemists: Thoughts on the patina or quartz stone? Comment below or email [email protected].#KohKer #AncientCambodia #HiddenPyramidsLink: Stolen Art, Artifacts and Diamonds – 60 minutes episode - https://www.youtube.com/watch?v=kgAag5g9Ig8&t=3624s
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Vat Phou's Shattered Megaliths: Clues to An Ancient Catastrophe in Laos
Join me on a solo adventure to Vat Phou, a remote UNESCO site in southern Laos. This isn't your typical temple— it’s a lost megalithic sanctuary with serpent carvings and a peculiar crocodile stone, precision stonework, evidence of lost technology and signs of an ancient catastrophe that tilted boulders and reshaped the landscape. I'll walk you through the site's terraces, barays, and scattered ruins, sharingfirsthand observations. Could this site predate the inscriptions by centuries or more, built by a lost ancient culture? From lathe-marked spindles to LiDAR, we'll explore why Vat Phou feels out of sync with other ancient sites in theregion.
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Unearthed Truths: 5 Clues That FLIP Cambodia's Timeline!
I've been digging deep into Cambodia's ancient history! What I’ve discovered has truly surprised me, and led me to believe that much of what we accept about Cambodia's ancient past could be COMPLETELY WRONG. In this episode, we cover the TOP 5 CLUES that could completely rewrite Cambodia's timeline: 1) Dating techniques that don’t tell the full story; 2) Cambodia’s many overlooked pyramids; 3) the 2012 LiDAR results that revealed massive mound fields and mile-long spirals; 4) Masterful stone sculptures that point to a possible earlier and forgotten civilization, and 5) Sophisticated, precision artifacts that were uncovered across many of Cambodia’s oldest sites. Cambodia's ancient secrets are just beginning to surface - with more from my on-site research in Cambodia and Laos coming soon!Sources Cited in this Video: French School of the Far East Cambodian Photo Databasehttps://collection.efeo.fr/ws/web/app/report/les-fonds.html
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Forgotten Angkor: LiDAR Reveals Hidden Technology
Angkor Wat is Cambodia’s most famous temple, but it’s just one piece of a massive ancient city and a sprawling empire that once covered parts of Cambodia, Thailand, Laos, and Vietnam. For centuries, jungles, settlements, and war hid the true scale of this civilization—until LiDAR surveys in 2012 and 2015 mapped 2,100 km², revealing an engineered landscape unlike anything from the pre-industrial world. In this episode, we’ll discuss: the 1,000 km network of elevated roads, colossal dams and canals, massive reservoirs like the 8km-long Western Baray, and the mysterious mound fields and unexplainable mile-long spiral embankments –scattered across Cambodia and with no known purpose. We’ll also explore some of the lesser-known temple complexes far from Angkor Wat, each with their own puzzles. This is my favorite episode yet!Join us for our November 2025 Tour to Cambodia: https://www.royalangkor-tours.com/tours/stargate-voyager-secrets-of-cambodia/ Watch my other episodes on Cambodia and its mysterious history.ForbiddenSecrets of Angkor Wat with Megalithic Marvels: https://open.spotify.com/episode/7ppMstAMOMsp5wVPIARWx4?si=Dq7d-HfvRFiaMIPY10CYXQSambor PreiKuk: https://open.spotify.com/episode/4by135NAzqmWyZ14Oty2sr?si=8OpQ1XxqTg6YTSw00X_xsw
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Yemen's Hidden Megaliths Part 2: Baraqish, Awwam, Barran, and the Old Marib Dam
In the second and final episode of my new series on ancient Yemen, we will explore Yemen’s hidden megaliths. We’ll start with the ancient city of Baraqish, built on a massivemanmade mound, with its 14-meter high walls and monumental limestone. Next, we’ll explore the ancient sites of Awwam and Barran near Old Marib, both UNESCO World Heritage candidates, known for their grand pillars, intricate stonework and mysterious ibex motifs. Finally, we’ll discuss the ancient engineering masterpiece - the Old Marib Dam - a 600-meter-long structure that once sustained a lushoasis nearly twice the size of New York City. We’ll examine the evidence for a timeline that stretches far beyond the official archaeological narrative. Finally, we’ll address the critical threats to Yemen’s archaeological heritage amid ongoing conflict. You won’t want to miss this one!
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Yemen's Ancient Megalithic Mysteries Part 1 – Timna’s Cyclopean Architecture
In Part 1 of my new series on ancient Yemen, we will explore the ancient city of Timna. Timna’s ruins, constructed on a 65-acre oval-shaped mound, include massive granite cyclopean walls strikingly similar to sites found in Peru, Egypt, and apan. As a key center of the Qataban Kingdom on the Incense Route, Timna thrived on frankincense and myrrh trade, yet its monumental South Gate, Temple of Athirat, and Market Square suggest Timna’s origins reach far earlier than the 4thcentury BC, possibly predating known Yemeni civilizations. Additionally, we’ll discuss the critical threats to Yemen’s archaeological heritage amid ongoing conflict, with sites like Timna at risk of loss. Join me to uncover the story of this extraordinary ancient site!Link: https://www.monumentaorientalia.org/
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Ethiopia's Ancient Megaliths Part 3: Lalibela's Rock-Hewn Churches & Mysterious Standing Stelae
Join me for the finale of the Ancient Megaliths of Ethiopia series, where we will discuss the iconic rock-hewn churches of Lalibela—masterpieces carved directly from solid rock. This site is much more complex, and I believe substantially older, than we’re being told. I will share my theories in this episode! We’ll also venture into southern Ethiopia to explore fields of standing stones with carvings strikingly similar to those in Peru and Turkey. One even features a handbag! Could the UNESCO-listed Churches of Lalibela share a hidden connection with Axum’s obelisks and the ancient Pre-Axumite temples? Archaeologists claim a 2,000-year gap separates these sites, but do the architectural similarities and intricate designs suggest a different story? And should the official history of these sites be rewritten? Zamani Project 3D Scans: https://www.zamaniproject.org/site-ethiopia-lalibela-rock-hewn-churches.html
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Uncovering Ethiopia's Ancient Megaliths Part 2: Pre-Axumite Temples and Connections to Yemen
Join me for Part 2 of this series on Ethiopia as we discuss the mysterious Pre-Axumite temples, some of the oldest structures in Ethiopia, dating back to at least 800-700 BC --- maybe earlier! Explore the Great Temple of Yeha with its precision cut limestone walls, unique Ibex carvings, and inscriptions linking it to Yemen’s ancient Sabaean civilization. We’ll also explore a massive 800 BC palace, a newly discovered altar, and connections to Axum’s obelisks and Lalibela’s rock-hewn churches. Are these sites far older than archaeologists claim? How do they relate to Yemen’s Awwam and Barran temples, 500km across the Red Sea?
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Uncovering Ethiopia's Ancient Megaliths Part 1: The Mysteries of Axum
Deep in Ethiopia’s highlands, the ancient city of Axumharbors megaliths that rival the grandeur of Egypt and Peru, yet remain relatively unknown and unexplored. In the premiere episode of my series on Ethiopia’s ancient sites, I will explore the awe-inspiring Northern Stelae Park, a UNESCO World Heritage site, including Axum’s massive 500 tonne obelisk. From false doors and windows mimicking multi-story towers, to precision engineered subterraneanchambers, these structures hint at a sophisticated ancient culture. Could Axum’s history stretch far older than the 1st–4th centuries AD, as mainstream archaeology suggests? Join me as we uncover Ethiopia’s striking similarities with global megalithic sites all over the world, challenge conventionaltimelines and explore Ethiopia’s hidden past.
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Forbidden Secrets of Angkor Wat – A Discussion with Derek Olsen of Megalithic Marvels
In this interview from earlier this year with Derek Olsen of @MegalithicMarvels, Derek and I discuss ancient Cambodia, and many examples of out-of-place-artifacts, LIDAR scan results and architectural styles that seem to point to an older history at Angkor Wat and the surrounding temples. I had so much fun researching and recording this episode, that I was inspired to start my own channel! Links: YouTube and Spotify: @megalithicmarvelsJoin Derek on one of his tours: https://megalithicmarvels.com/tours/
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Java’s Unexplainable Pyramid Temple: Candi Sukuh
In this episode, we dive into the enigma of Candi Sukuh, a stepped pyramid temple in Java. With its Mesoamerican-like pyramid, giant turtle guardians, fanged warrior statues, and provocative carvings of giants, elongated skulls, and four-tusked elephants, this ancient site defies conventional history.
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Sambor Prei Kuk: Older Than Angkor Wat - But Not For the Reasons You Think!
While exploring Cambodia's famous temples like Angkor Wat, I uncovered intriguing irregularities and surprising similarities to ancient sites worldwide. In this episode, we’ll dive deep into the "Temple in the Rich Forest," Sambor Prei Kuk, a lesser-known Cambodian UNESCO World Heritage Site, officially pre-dating Angkor Wat, with precise statues, intricate stonework, and massive earthworks like 2km-long causeways and a sophisticated water system. I’ll share insights from my travels and research, question the 7th-century origins, and propose a bold theory: could an older, advanced culture have built this site? From megalithic sandstone features to ornate lion statues, we’ll explore the mysteries of Sambor Prei Kuk and its place in Cambodia’s history. You won’t want to miss this!
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Unveiling El Fuerte de Samaipata: Bolivia’s Hidden Megalithic Mystery
In this episode I explore the enigmatic El Fuerte deSamaipata, a massive carved rock hidden in Bolivia’s jungle, one of the largest rock carvings in the world! 🌄From intricate feline carvings and the a mysterious “UFO runway” - to a deep, unexplored Chincana tunnel, this UNESCO World Heritage Site raises big questions about its origins. Was it built by the Chané culture around 300 CE,as archaeologists claim, or could it be far older? 🗿 Inthis episode, we dive into: My 2023 journey to this remote megalithic mountain; The mind-blowing carvings, including the “Spine of the Serpent” and “Choir of the Priests”; Why mainstream dating methods might be wrong; Eerie similarities to Peru’s Cusco sites; and, Elongated skulls and precision-drilled artifacts in the local museum.Could Samaipata hold secrets of an ancient, advancedculture?#AncientMysteries #Samaipata #Bolivia #MegalithicSites#LostCivilizations
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Welcome to Secrets in Stone: Exploring Humanity's Oldest Enigmas
Welcome to the premiere episode of Secrets in Stone! Join me, Cassie, as I introduce my new channel dedicated to exploring the mysteries of the world’s ancient megalithic sites. We’ll dive into their history, uncover fascinating facts, and explore what these sites reveal about our forgotten past. I’m here to spark your curiosity with fresh perspectives on humanity’s oldest mysteries. Subscribe and dive deeper into these ancient mysteries together!
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ABOUT THIS SHOW
Secrets in Stone explores the mysteries of the world’s ancient megalithic sites and what they reveal about our forgotten past.
HOSTED BY
Cassie Coppersmith
CATEGORIES
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