The coliseums of Rome were brutal theatres of spectacle and death that helped control the sprawling Roman empire.
The ancient city of Persepolis was once the richest city on Earth.
How were the most iconic buildings of the ancient world built?
Experts solve the mysteries of the towering Mount Nemrut in Turkey.
Archaeologists explore the ancient Maya city of Palenque.
Archaeologists uncover the mysteries behind the ancient city of Nippur.
Experts investigate a temple monument on an enigmatic Egyptian island.
Archaeologists use drone imaging to investigate the ancient city of Abydos.
Experts use cutting-edge technology to reveal the truth behind King Arthur.
The ancient city of Samarra contains a series of medieval structures that hold secrets to one of the world's greatest empires.
Experts use aerial imagining to investigate the mythical city of Xanadu.