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

An exquisite tunnel of cascading flowers.

A kaleidoscopic warehouse-maze of handmade neon signs.

A magical place that lets you play in and explore the world of Studio Ghibli.

Rippling sand dunes frozen in the Arizona rock.

A psychedelic labyrinth on the San Francisco bay.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

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

A futuristic temple of light uses prisms and rainbows to create an atmosphere of peace.

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

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

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

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

One of the largest Buddhist stupas in North America is built of concrete designed to last 1,000 years.

This tea house was a hand-built gift from Boulder's sister city in Tajikstan.

At this Denver landmark, the meals are compulsory, the sopapillas are complimentary, and the insanity is everywhere.

A technicolor place of worship for Elevationists.

In a 345-million-year-old cave that's 200 feet underground, dinner awaits.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

A medieval weapon rumored to have been used by the brilliant poet himself.

More than 250 sakes are available in an izakaya hidden in the basement of a Midtown office building.

This Russian bar-restaurant lies within a three-story underground bathhouse.

Cool down and fill up after visiting Teotihuacán at this bar and restaurant in a deep, underground cave.

An Aztec snake god has taken the material form of an apartment complex.