Like stepping into a spooky fairy-tale, this shop carries the dark ideas of artists and other makers.

The headquarters in Salem doubles as an occult art gallery.

A collection of full-size movie monsters opened to the public.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

An overgrown collection of miniature buildings still stand as evidence of one couple's obsession with The King.

Forget Hollywood, one of the biggest stars in the world can be found in Roanoke, Virginia.

This structure among the trees was the result of divine inspiration.

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

This large cave is a summer home to thousands of bats and has a rich history dating back to prehistoric times.

Live long and prosper in Tennessee.

This funicular railway rumbles along for a mile up the nearly vertical face of Chattanooga’s Lookout Mountain.

The secret city built by the Manhattan Project.

Mile-long cave system near Great Smoky Mountains.

Visit this playground of waterfalls, caves and sinkholes.

Once home to seven different roller coasters, Glen Echo has undergone many transformations since its founding in 1891.

Over fifty whirling pools left by the glacial age.

What's that on the side of that building? Va Va Voom, it's Bettie!

Seattle's super-sized cowboy apparel once belonged to a themed gas station that wrangled in herds of tourists.

The tech giant built three enormous glass orbs in Seattle so employees could work inside a rainforest greenhouse.

The first park built over a freeway is a brutalist masterwork.

The ruins of a cotton mill that was burned in the Civil War are still hidden in a Georgia forest.

Ruins of a Carnegie family mansion on Cumberland Island.

A mysterious monument meant to be a guide into "an Age of Reason" was destroyed after an apparent bombing.