We thought the lost city of Atlantis was a myth, but off the coast of Greece, archaeologists just made incredible archaeological discoveries: the oldest underwater city on Earth, Pavlopetri!

Discover the incredible story of Holland Island, the small town lost to the sea in the Chesapeake Bay.

The Amazon has always been one of the most mysterious places on earth.

Lost Worlds investigates the very latest archaeological finds at three remote and hugely significant sites - Angkor Wat, Troy and Persepolis.