Places greasekitten Wants to Go

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

The world’s first penitentiary, meant to be humane, drove men insane.

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

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.

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.

A sprawling maze of used books piled from floor to ceiling.

Human skulls and a stuffed goat made into a rocking chair can be found at this strange little store.

This curio museum seems like the type of place you might find a mogwai or a monkey's paw.

Built to replace a house destroyed by a hurricane, this home is made entirely of shipping containers.

Bronze footprints mark the path where a civil rights leader tried to march in peaceful protest before being knocked unconscious.

The walls of America's oldest masonry fort famously "swallowed" cannonballs.

Possibly the world's oldest rug, this Egyptian relic is woven entirely from ancient cat hair and once carried a mummified human foot.

Intertwined, interspecies trees which locals believe can grant boons to lovers.

It's a pretty creepy lock-up.

A tribute to Ponce de Leon's supposed quest for eternal youth.

An easy-to-miss garden in Boston's North End honors the mother of JFK and others who lost children in WWII.

Stolen goods adorn the organ at Old North Church.

This cemetery served as the only official burial grounds in Cambridge for nearly 200 years.

This riverfront statue honors the inventor of the first video games ever sold.