Season 15

Video thumbnail: Secrets of the Dead Graveyard of the Giant Beasts

Secrets of the Dead

Graveyard of the Giant Beasts

Follow scientists trying to determine which giant animal was the apex predator

Graveyard of the Giant Beasts

Video thumbnail: Secrets of the Dead Teotihuacán’s Lost Kings

Secrets of the Dead

Teotihuacán’s Lost Kings

Follow scientists as they explore tombs beneath an ancient Mexican city.

Teotihuacán’s Lost Kings

Video thumbnail: Secrets of the Dead Cleopatra’s Lost Tomb

Secrets of the Dead

Cleopatra’s Lost Tomb

Discover whether an amateur archaeologist’s theory leads to the lost tomb of Cleopatra

Cleopatra’s Lost Tomb

Video thumbnail: Secrets of the Dead The Alcatraz Escape

Secrets of the Dead

The Alcatraz Escape

Scientists investigate whether surviving an escape from Alcatraz prison was possible.

The Alcatraz Escape

Video thumbnail: Secrets of the Dead Jamestown’s Dark Winter

Secrets of the Dead

Jamestown’s Dark Winter

Discover the truth about the first permanent English colony in the New World

Jamestown’s Dark Winter