The Old Courthouse takes visitors on a captivating trip through St. Louis' timeline.

What was once a presidential estate is now an exotic menagerie and home to the Budweiser Clydesdales.

Less a museum than a bizarre fantasy world created by artists and engineers.

The bugs crawling down the front of this office building are almost as big as a '68 VW Beetle.

A place to eat for on-the-run agents and espionage enthusiasts.

This former coal gasification plant found a curious second life as a popular public park.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

An ancient Egyptian temple in the middle of Madrid, Spain.

Go surfing on this urban wave, "hacked" by local surfers.

Golden cobblestones remember a time when this small alley was used to avoid having to give a Nazi salute.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

Christ's blood preserved in a Belgian town.

China's most famous acrobatics act.

The once highest point in China blends symbolic design with a kick of adrenaline.

Home to over 200,000 artifacts, this museum attempts to guide visitors through the ancient history of Beijing and Imperial China.

The most famous location in China was home to whole dynasties worth of imperial rulers.

This private residence was the template for one of the most beloved television homes of all time.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

The site of the deadly Triangle Shirtwaist Factory Fire.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

A pedestrian island in the middle of world-famous Times Square emits a strange (and purposeful) humming noise.

Elevated freight railway turned wildly successful urban park.

Yo, Adrian!

The last of Philadelphia's wood-paved streets is now a landmark of terrible engineering.