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See how secret letters written by Mary, Queen of Scots, were finally decoded.

An unprecedented discovery could reveal new information about Cleopatra’s reign.

The spectacular arena showcasing Ancient Rome’s power also contributed to its downfall.

Historian Jonathan Petropoulos investigates the post-war life of former Nazi art dealer Bruno Lohse.

Historian Jonathan Petropoulos investigates the life of former Nazi art dealer Bruno Lohse.

Priceless artifacts in Laos reveal holy sites from the early days of the Khmer Empire.

The discovery of priceless artifacts in Laos sheds light on the ancient Khmer Empire.

Uncover the mystery behind the discovery of more than 50 "vampire" burials.

A search for the remains of Black Union soldiers murdered toward the end of the Civil War.

Scientists attempt to read ancient scrolls carbonized by the eruption of Mt. Vesuvius.

Learn the untold story of Maria Anna Mozart, Wolfgang’s older sister and collaborator.

Archaeologists search for Assyrian artifacts that survived the Isis occupation of Mosul.

Find out if the 15th-century murder of two princes in the Tower of London can be solved.

Uncover the only evidence of crucifixion in Roman-occupied Britain.

Discover the untold story of Paris’ most famous landmark and the race to top 1,000 feet.

Discover the world of dinosaur fossil collecting, an unusual hobby with a growing market.

Explore the sunken remains of an early Christian basilica in western Turkey.

New evidence sheds light on the early indigenous societies of the Amazon.

Research is revealing the hieroglyphic texts from within the tomb of an Egyptian scribe.

Learn about the captain of a “mystery ship” who turned away from the "unsinkable" Titanic.

Follow historian James Holland as he unearths the truth about amphetamine use in World War