Great Train Robbery, Phoenix Lights, Santa Cruz Sea Serpent

At the Smithsonian Institution's National Postal Museum visitors can find an aged wooden detonator box found in the wreckage of one of the most daring and explosive train heists in American history. The National Atomic Testing Museum displays standard consumer video camera that used to record what appears to be an otherworldly pattern of bright lights the hovered in the Arizona sky. And the California Academy of Sciences is home to the skull of a bizarre sea monster that washed upon Santa Cruz beach.For even more Mysteries at the Museum, head to discovery+. Go to discoveryplus.com/mystery to start your 7-day free trial today. Terms apply. Hosted on Acast. See acast.com/privacy for more information.