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Secrets of the Dead
Preview | World's Biggest Bomb
Beginning in the 1950s, American and Soviet scientists embarked on a perilous race to see who could build and detonate the world’s largest bomb. The results exceeded all expectations about how big a bomb could be built. Initially, the Americans led the way, but then left the field clear for the Soviet Union to break all records.
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55:15
Priceless artifacts in Laos reveal holy sites from the early days of the Khmer Empire.
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55:15
The discovery of priceless artifacts in Laos sheds light on the ancient Khmer Empire.
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55:15
Uncover the mystery behind the discovery of more than 50 "vampire" burials.
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55:23
A search for the remains of Black Union soldiers murdered toward the end of the Civil War.
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55:15
Scientists attempt to read ancient scrolls carbonized by the eruption of Mt. Vesuvius.
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55:15
Learn the untold story of Maria Anna Mozart, Wolfgang’s older sister and collaborator.
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54:45
Archaeologists search for Assyrian artifacts that survived the Isis occupation of Mosul.
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55:15
Find out if the 15th-century murder of two princes in the Tower of London can be solved.
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55:15
Uncover the only evidence of crucifixion in Roman-occupied Britain.
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54:45
Discover the untold story of Paris’ most famous landmark and the race to top 1,000 feet.
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55:01
Discover the world of dinosaur fossil collecting, an unusual hobby with a growing market.
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55:15
Explore the sunken remains of an early Christian basilica in western Turkey.