A kitschy, creepy St. Louis mainstay.

This mosaic-covered bar is brimming with curated curios.

Four glass boxes hover over 1,000 feet in the air to give visitors an unparalleled view of Chicago.

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

A geological oddity formed by two rivers carving out a mass of limestone on both sides.

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

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

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

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

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

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

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

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

This is not your typical jungle gym.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

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

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