Air date: 2021-05-02

Runtime: 44 min

Experts reveal the secrets of the Persian Empire's capital, Persepolis.

Air date: 2021-05-09

Runtime: 44 min

The Valley of the Queens is a vast necropolis concealing some of Egypt's most miraculous tombs and powerful women; now, investigators use cutting-edge tech to explore lost tunnels and uncover the enigmatic secrets behind these ancient pharaohs.

Air date: 2021-05-16

Runtime: 44 min

Experts reveal the mystery behind the decapitated statues of Mount Nemrut.

Air date: 2021-05-23

Runtime: 44 min

The downfall of the powerful Maya city of Palenque in southern Mexico continues to mystify archaeologists today; now, investigators gain rare access to explore lost tombs to reveal the truth behind this legendary city and the mystery behind its enigmatic queens.

Air date: 2021-05-30

Runtime: 44 min

The ancient Sumerian city of Nippur is one of the richest archaeological sites on Earth, but decades of conflict have prevented its exploration; now, experts gain rare access to finally uncover the mysteries behind the most sacred city of Mesopotamia.

Air date: 2021-06-06

Runtime: 44 min

Experts investigate an ancient temple monument on an Egyptian island.

Air date: 2021-06-13

Runtime: 44 min

Experts investigate secrets behind the ancient Egyptian city of Abydos.

Air date: 2021-06-20

Runtime: 44 min

Experts use cutting-edge tech to unlock the secrets of Tintagel Castle.

Air date: 2021-06-27

Runtime: 44 min

The ancient city of Samarra contains a series of medieval structures that hold secrets to one of the world's greatest empires; now, archaeologists use pioneering technology to investigate its astonishing rise to power and reveal its monumental downfall.

Air date: 2021-07-11

Runtime: 44 min

The coliseums of Rome were brutal theaters of spectacle and death that helped control the sprawling Roman empire; now, archaeologists uncover the engineering secrets behind these majestic structures to reveal the truth behind the ancient Roman world.

Air date: 2021-07-18

Runtime: 44 min

Experts investigate the truth behind the mythical city of Xanadu.