Most-visited and most-photographed slot canyon in the American Southwest.

An exquisite tunnel of cascading flowers.

This iconic L.A. bookshop is housed in an abandoned bank—both symbolic and chic.

Rippling sand dunes frozen in the Arizona rock.

This astonishingly geometric cave has inspired everyone from Jules Verne to Pink Floyd.

A psychedelic labyrinth on the San Francisco bay.

This ornate Victorian marketplace was the setting for Diagon Alley and the Leaky Cauldron in the Harry Potter films.

London's creepiest cemetery was once the site of dueling magicians and mobs of stake-carrying vampire hunters.

A beautiful 62-acre Catholic shrine and botanical garden.

On the Oregon coast there is a natural hole that seems to be draining the sea.

These old stone ruins in the Oregon wilderness were once bathrooms and are steeped in legends of murder.

A roaring, awe-inspiring double cascade of icy water flows through woodland Oregon like something out of a Tolkien novel.

This unique structure in suburban Austin is made up entirely of other people's castaways, and constantly changing.

DIY collection of eclectic holdings.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

Life's work of sculptor Elisabet Ney remains preserved in her last studio.

A wall of chewing gum moonlights as collective art.

A colorful architectural gem in Seattle's uniquely modern Central Library.

A 100-year-old purveyor of curiosities, curios, and kitsch featuring mummies, shrunken heads, and a Fiji Mermaid.

High on a hill overlooking Los Angeles lives a world famous, high power conical Tesla Coil.

World's largest collection of serial killer artwork and other macabre exhibits.

An emerald-green grotto just a short trip from Austin.