The land is full of geologic eye candy, such as otherworldly spires, mushroom-shaped hoodoos, and prehistoric fossils.

Hidden in an ordinary Midtown building is a one-room museum dedicated to the greatest escape artist.

This incredible collection of vintage pinball machines can be played at 25 cents a pop.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

More gold than anywhere else, ever.

A castle that was built stone by stone by an eccentric journalist.

This frequently-photographed waterfall takes only a short hike to visit.

Seemingly grown on some other world, these New Mexico rock formations look like a disused science fiction set.

Rainbow-hued local gem in Venice.

Panorama exhibition hall in old silent theater with a beautiful backyard garden.

An underwater city for the dead.

A hands-on traveling collection of the innovative devices of yesteryear.

Become a prohibition rebel.

A speakeasy takes on Chicago's drinking culture.

This abandoned asylum was once a state of the art facility before devolving into one of the most deadly mental institutions in American history.

A stunning, two-tiered waterfall made famous by poets, artists and the legend of a ghost dog.

Collapsing castle on the Hudson river was once the storage site of military surplus business.

Where America's first doomsday cult awaited the end of the world.

The remains of a failed attempt at medieval nerdery are hidden deep in the woods of Virginia.

This New Orleans tree is filled with hidden chimes that produce a carefully tuned melody.

Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

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

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

The one-stop shop for all of your superhero (or evil arch-nemesis) needs.