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

A historic, scenic mill that was forced to close due to overlogging.

A curiosity-seeker's paradise set inside a three-story historic school house.

A classic advertising icon immortalized in regal bronze.

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

One of the deepest springs in Missouri.

An average of 33 million gallons of water pour out of the collapsed cave at the heart of this spherical spring.

Around 50 million gallons of water flow from this spring every day.

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

Oversized statues are just the tip of this nostalgic Americana roadside attraction.

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

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

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

Speak to a companion on the other side of the room loud and clear through this architectural anomaly.

What was meant to be a temporary exhibit is now a permanent fixture at the St. Louis Zoo filled with beautiful birds.

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

The farming museum contains an extensive taxidermy collection, including the world's largest stuffed horse.

These rows of World War II-era bunkers were the scene of some of the infamous Mothman sightings.

This red-eyed chrome beast pays homage to the popular modern myth of West Virginia's insectoid monster.

A small storefront museum explores the history and myth of West Virginia's famous urban legend.