Once powerful and populous centers of influence, these cities are now classed as ruins. All lost, one way or another, to the ravages of time. In their re-discovery, these great lost cities are providing clues to how our ancestors existed in the world and remind us that ancient civilizations were not so far removed from our own.

The world is full of inspiring places just waiting to be discovered and explored. World’s Greatest goes on a breathtaking journey around the planet, revealing the best cities, natural wonders, animal encounters, journeys and adventures, monuments and islands.

About PBS America:
Welcome to PBS America, a British TV channel from America’s public service broadcaster, PBS, showcasing award-winning American history, science, current affairs, plus arts and culture shows alongside the works of living legend Ken Burns, output is all hand-picked by a British team.

Get More PBS America:
Website: https://www.pbsamerica.co.uk/
Twitter: https://twitter.com/pbsamerica
Facebook: https://www.facebook.com/PBSAmerica/
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