Secrets In The Dark

Tower of Skulls: At Mexico City's Templo Mayor, archaeologists uncover a 15th-century tower of 600 skulls, revealing new insights into Aztec sacrifice and ritual. (S1, ep 2)

Coins, Curses and Kings: In 2012, the remains of King Richard III were discovered, offering unprecedented insight into the last moments of England's controversial monarch. (S1, ep 6)

Guardians of the Forgotten Tomb: The tomb of Qin Shi Huang, the first emperor of China, remains one of the most famous and secretive archaeological sites in the world. (S1, ep 7)