These fossilized remains of an ancient saber-toothed cat inspired the mascot of Nashville's NHL team.

This award-winning men's bathroom was just too beautiful to not allow women to see.

For decades these polar bears have roamed all around a Nashville neighborhood.

The site of the one of the most deadly train wrecks in American history.

The world's longest known cave system.

A unique home built by Andrew Jackson Caldwell that also served as a military hospital.

This abandoned nuclear cooling tower casts a shadow over a bucolic town.

Veritable museum of 20th century country music history.

A version of this picturesque mill has existed since the 1800s.

The crumbling remains of a once-grand building.

This elegant monument to those who fought against fascism is inspired by the shape of the poppy flower.

This mosaic-covered bar is brimming with curated curios.

A kitschy, creepy St. Louis mainstay.

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

This century-old roadside attraction is full of bizarre rock formations.

This futuristically sylvan church is a glass-enclosed marvel of modern architecture.

This haunted hotel built on natural springs once served as a hospital for a quack doctor promising a cure for cancer.

This monumental Jesus is often referred to as "Our Milk Carton With Arms."

An extravagant western hotel where every floor is the "ground floor."

No one knows who built this strange cave of worship or exactly why.

Hiding behind a grocery store is a spectacular cavern carved as part of an old limestone quarry.

The body of an unidentified woman, visible through a glass coffin, was discovered by accident.

Contrary to popular belief, this memorial does not actually claim to mark the bluesman's grave.

Though Johnson is not actually buried here, an Atlanta-based band sponsored a headstone for him.