Unearthed - Season 9 (2021)

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.

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.

A colossal stone temple on a remote Egyptian island mysteriously bears the names of the most famous leaders of the ancient world; now, experts use cutting-edge tech to investigate why pharaohs and emperors all built monuments at this enigmatic site.

The ancient city of Abydos contains some of the oldest Egyptian tombs and a buried temple linked to the Cult of Osiris, a mysterious death cult; now, archaeologists use cutting-edge drone imaging to investigate long-hidden secrets behind the first pharaohs.

The clifftop ruins of Tintagel Castle in Cornwall, England are shrouded in a tumultuous history and believed to be the birthplace of King Arthur; experts use cutting-edge tech to unlock the secrets of this ancient structure and reveal the truth behind a legendary ruler.

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.

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.

The legendary metropolis of Xanadu (Kublai Khan's capital of the Mongol Empire in the 13th century) and its fabled existence have mystified experts for centuries; now, archaeologists use cutting-edge aerial imaging to investigate new discoveries and reveal the truth behind this mythical lost city.