This giant steer-skull edifice refuses to die.

This sanguine boulevard was named after a deadly cowboy bar fight.

Ninety feet off the valley floor is an ancient dwelling put under protection of the U.S. government by Teddy Roosevelt.

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

Curios, scientific antiques, oddities for sale.

While comics are the main attraction at this megastore, the second floor plays host to an exhibit fit for a museum.

There are eight natural springs around town, each with a slightly different taste.

A prehistoric rock shelter that's literally in someone's backyard.

A psychedelic labyrinth on the San Francisco bay.

The house and graveyard used in the Stephen King spine-chiller.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

The bears may be gone, but their old cages can still be found.

Berthed at the Charlestown Navy Yard in Boston, "Old Ironsides" is the oldest commissioned warship still afloat.

Small teepee-like houses built for TB patients have become sheds, studios, and bus stops around Colorado Springs.

An outdoor sculpture park of giant pink robots and post-apocalyptic Christmas scenes.

A hospital closed seemingly in the middle of operations, leaving behind fodder for horror films and ghost hunters.

This serene oasis in an affluent Los Angeles neighborhood holds some of Gandhi's ashes and got Elvis into Eastern Philosophy.