This city square is home to Amsterdam's oldest church and a statue honoring Dutch sex workers.

A Dutch passageway's artistic, aquatic-themed makeover pays tribute to the capital city's famed waterways.

Erosion and time have created a naturally-formed water park.

Giant granite rocks standing end-to-end like a train of circus elephants.

A mythical bird etched into the face of a rock doubles as the mascot for a nearby school.

This titanic oil company sign is a reminder of the Americana boom of the 1970s and also its commoditization.

Once one of the world's great cities, Cahokia was a place of religious worship, trade and mass human sacrifice before being mysteriously abandoned.

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

This is not your typical jungle gym.

This mosaic-covered bar is brimming with curated curios.

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