A huge musical instrument played by the ocean.

This coffee shop lies hidden beneath a historic church.

Chef Lawrence West serves up Indian tacos, wojapi, and other Lakota dishes at the brick-and-mortar incarnation of his popular food truck.

During prohibition, corrupt city officials ran drinking dens under the streets of Downtown Los Angeles.

An extraordinary "City of Caves" carved from solid stone.

Thousands of exquisitely carved stone water storage wells, hundreds of stone steps fill this exquisite medieval stepwell.

Couple's personal collection of pinball machines turned public pinball museum.

A "Minnesota-style" pizza parlor in the Scandinavian heart of Seattle.

Prone to disastrous fires, the city of San Francisco has the Guardian, a fireboat gifted by residents, to watch over them from the bay.

New York's oldest magic store.

One of the world's oldest and most massive living organisms is a grove of quaking aspens.

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

This botanical garden boasts sculptures, industrial ruins, and an endorsement from the Dalai Lama.

255 feet of suds, scrubbers, and blow dryers.

A health museum containing a 27’’½-foot intestine.

New Orleans' famous cemetery, located on the site of a former race track.

San Francisco's newly reopened hands-on science museum.

A collection of memorabilia from the Beat era in the back of a San Francisco bookstore.

Large Hadron Collider and the Birthplace of World Wide Web.

Nine limestone rock stacks on Australia's "Shipwreck Coast."

A clear example of the process of erosion in action.

Dilapidated ruins that once treated a notorious young serial killer, currently hosting vandals, squatters, and ghost hunters.

A local landmark that has become a hub of graffiti and urban exploration.

Occult books, tarot, oddities.