Human ancestor’s 3.6 million year-old footprints.

A house and yard adorned with bizarre concrete sculptures in a Milwaukee suburb.

The Guardian of Tallinn.

Natural arch offers panoramic views of Yangshuo's karst hills.

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

This striking art museum holds an amazing series of curiosity cabinets.

Robots, lasers, and whoopee cushions, oh my!

A large circus museum with summer performances.

A bizarre house filled with an astounding array of collections.

"World's largest scrap metal sculpture" stands in an outdoor sculpture garden in the middle of Wisconsin.