The world's longest known cave system.

The fifth-longest suspension bridge the world, connecting one Michigan peninsula to another.

This Niagara Falls tourist trap is a world bright with neon and curiosities that will inspire love, hate, or a mixture of both.

Pink, packed sanctuary and home of the world's fullest-time Elvis fanatic.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

Memorial of the Salem witchcraft hysteria in the town of Danvers, where it all began.

In upstate New York, gorgeous waterfalls and a watermill are slowly being reclaimed by nature.

The only structure left with direct ties to the Salem witchcraft trials of 1692.

Town of spiritualists and mediums in Florida.

A sign at the end of the Santa Monica Pier marks the traditional end of the legendary American highway.

Legendary frontman of the Doors looms in this giant mural by famed Venice muralist, Rip Cronk.

Storybook cottage in Beverly Hills was once the site of 1920s silent film studio, affectionately known as "The Witch's House."

A modern day curiosity cabinet.

America's most famous piece of self-built architecture.

Resting place of Hollywood's immortals is also site of summer film screenings.

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

Experience a quartz crystal sound bath inside a storied, all-wood sound-chamber.

The "world's biggest dinosaur" once housed a creationist museum in its abdomen.

Giant Redwood-themed cafeteria operates under the golden rule, "Dine Free Unless Delighted."

A hot dog stand where the heads are just as hot as the dogs.

A museum dedicated to exhibiting remarkable outsider art.

The world's largest mountain carving could fit all of Mount Rushmore inside it many times over.

Strange physical sensations and optical contradictions keep visitors coming back for more.

The largest collection of two headed animals in the world.