Quirky water tower advertises the long-gone Brooks Tomato Products Co.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

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

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

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

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

This is not your typical jungle gym.

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

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

The Magic House provides a beautiful and creative environment for curious youngsters to get their knowledge on.

Entombed in this strange, white stone hill are the deadly remains of radioactive weapons production.

Curious cave that stays a cool 56 degrees all year long.

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

European castle ruins in an American state park are actually the product of death and grief.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

Restaurant in Northern Wisconsin comes with a unique feature: a grassy roof covered in living goats.

A bizarre house filled with an astounding array of collections.

A bypass decorated with large wooden troll carvings.

More than 5,000 contemporary and "historic" mustards from around the world.