An ancient instrument used to measure the waters of the Nile so Egyptian farmers would know whether to expect famine or flood.

Cabaret where the show girls are all androids, and the patrons couldn't be more pleased.

The world's second largest single-dish radio telescope, once used to contact E.T.

This neon blue river gets its color from a unique mix of bacteria and volcano minerals.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

For over 80 years, Mayan ruins stood proudly in a most unlikely location.

An ancient Viking village in North America that predates Columbus by 500 years.