Museum dedicated to the art of cutting and polishing stones.

This botanical garden outside Chicago boasts an array of more than 300 varieties of lilacs.

An abandoned observatory in the middle of the Illinois prairie.

Eclectic collection of rare and beautiful stones in a historic home.

The macabre graffiti spectacle in a quarry in a Massachusetts forest reservation.

A cave dug by a man directed by ghosts to find pirate treasure.

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

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

A museum dedicated exclusively to the lore and history of ouija boards.

A flamboyant five-story building in Bulgaria resembles a crawling snail.

In addition to showing films, this one-screen arthouse cinema from the late 1940s is a museum of old film equipment.

A tiny town’s tiny museum with some gigantic residents.

This whimsical Oz-themed park had a wonderful impact on the surrounding neighborhood.

This home is decked out like a psychedelic explosion of colors and bowling balls.

Neon signs that grace the windows of Bergdorf Goodman's and Tiffany & Co. come from this studio in Brooklyn.

This former factory has been transformed into a technicolor wonderland, where dozens of local artists have collaborated to create a real choose-your-own-adventure experience.

The ceiling of Prohodna Cave in northern Bulgaria affords a peek at the sky via two deity-sized-eye-shaped holes.

Combination beer garden and music venue in the heart of Wicker Park.

A small Chicago museum filled with thousands of preserved butterflies, beetles, and more.

An eccentric Victorian aristocrat's enormous collection of medieval armor and weapons from around the world.

Repository for more than 22 million pickled specimens.

England's oldest surviving hedge maze has been confusing visitors for over 300 years.

This extraordinary art museum is like a secret world on the edge of Mexico City.

This wildly-tiled artist's palace is a living and growing account of the creator's life, loves, and labors.