A collision of human error and natural geothermal pressure created this rainbow-colored geologic wonder.

One of the few remaining casualties of the London Blitz, this destroyed church has become an enchanting public garden.

A peculiar mansion built by the troubled heir to the Winchester Rifle Company fortune.

Rippling sand dunes frozen in the Arizona rock.

Non-profit time travel mart sells goods you would need for a trip through the fourth dimension.

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

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

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

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

An artsy hidden staircase leads to breathtaking views of San Francisco.

A psychedelic labyrinth on the San Francisco bay.

A terrific purveyor of natural history objects and curios.

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

The vast, legendary catacombs hold secrets much stranger than stacked bones.

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

A huge musical instrument played by the ocean.

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

In the midst of a residential town in Washington exists a property saturated with one man's artistic creations.

A giant roadside black bird marks the location of this eclectic local mall.

A delightfully quirky blend of oddities spread throughout an old 1920s bank.

This solo operation offers the world's only whey wines in flavors such as chocolate-orange.

The lush coastal city of Astoria is riddled with forgotten secret sidewalks.

This graveyard is the eternal home of many brave pioneers who settled the Great Northwest.

No one knows how this Pacific Northwest spruce tree came to have so many trunks.