Season 22

Originally a supply depot for Union forces in Kentucky, Camp Nelson became the site where 10,000 Black soldiers trained in the Civil War. But in the war’s last months, these soldiers were attacked by bitter Southerners. Their remains have never been found, and a team is dedicated to finding them to memorialize their service and heroism.

In 2022, a terrifying discovery: a female skeleton dating from 1650, buried with a sickle across her neck and giant padlock on her toe — double protection to keep her from rising from the dead. All the evidence points to her being buried as a vampire... and she’s not alone, with more than 50 deviant burials around her. Who was she and what did these burial rituals mean?

Angkor was the capital of the Khmer empire, which controlled much of the region between the 9th and 15th centuries. The stunning accomplishments of Angkor’s great kings are clear to see –but the period preceding the foundation of their great city is shrouded in mystery. Now, the discovery of an incredible hoard of stunning artifacts is providing surprising new clues about this early Khmer society.

The discovery of gold and silver artifacts in Laos, dating to the early days of the Khmer Empire, leads scientists to investigate how the priceless objects were made and where they might have originated. On their journey, they retrace the steps of the ancient kings and explore the sacred landscape around Vat Phou to learn more about this ancient civilization.

Historian Jonathan Petropoulos investigates the life of former Nazi art dealer Bruno Lohse, who became Hermann Göring’s personal collector in Paris, tasked with finding the most desirable works of art the Nazis stole from Jews. Post-war, Lohse spent a brief time in prison, but then returned to Munich and resumed his career as a dealer, often trading in art looted during World War II.

Historian Jonathan Petropoulos investigates the life of former Nazi art dealer Bruno Lohse, who became Hermann Göring’s personal collector in Paris, tasked with finding the most desirable works of art the Nazis stole from Jews. Post-war, Lohse spent a brief time in prison, but then returned to Munich and resumed his career as a dealer, often trading in art looted during World War II.

The Colosseum: the jewel of Ancient Rome. It wowed vast crowds with extraordinary battles. It pushed the boundaries of technology. It exhibited Rome’s vast wealth and power. Roman leaders spread the Colosseum’s design throughout the Empire, and it helped them conquer the ancient world. But just as the structure embodied Rome’s power, so too did it contribute to the Empire’s downfall.

Just below the Mediterranean’s surface, in Alexandria’s harbor, lie the ruins of a mysterious ancient monument. For more than 20 years, French explorer Franck Goddio has been hoping to confirm these remains are a temple belonging to Cleopatra. If true, this discovery could reveal vital new information about Cleopatra’s reign and her connection with the goddess Isis.

In early 2023, three amateur codebreakers announced they had successfully decoded the secret correspondence of one of the most tragic characters in European history: Mary, Queen of Scots. 57 encrypted letters detail the exiled queen’s efforts to free herself from imprisonment and gain advantage over her rival, Queen Elizabeth. Now, after four centuries, Mary’s urgent pleas can be revealed.

Follow scientists as they track down the earliest known bubonic plague victims in hopes of preventing future outbreaks, while historians and scholars explore the societal impact of the plague on medieval Europe. What happens when a third of a continent’s population is wiped out?