In 1860 one of the world's most astonishing and enduring architectural wonders was discovered deep in the Cambodian jungle - the 900-year-old remains of Angkor Wat, one of the greatest religious sites ever found. In this new series, Lost Worlds travels to the remote site to investigate and, using the latest computer technology, recreates the staggering City of the God Kings as archaeologists unravel the mysteries and discover the sheer scale of this 12th century capital.

Looks at Project Trois, a huge archaeological expedition and dig in North-West Turkey, searching for the city of Troy.

A new miniature terracotta world of half a million figures has been discovered in the Xian province in central China. The extraordinary world of emperor Jing Di is revealed by this archaeological find, the most important since the discovery of the original terracotta armies of China's first Emperor in 1974. The discovery of the 8,000-strong life-size terracotta army buried beside Emperor Qin's tomb stunned and puzzled the world. This new find radically changes our view of the early emperors and rewrites the history of the birth of the most enduring empire on earth.

One of the impressive locations of the ancient world, Persepolis was burnt and destroyed by Alexander the Great in 330 BC and lay forgotten for over 2000 years. This film travels to Iran to bring Persepolis back to life and investigate the complexities of the Persiam empire that was responsible for creating this city.

Film on archaeologist Jean Yves Empereur, who, for over twelve years, has been investigating the ancient site of Alexandria, having revealed extensive underwater ruins and the lighthouse. His most recent discovery is a Roman palace that provides evidence of the opulence of the ancient city.