The artist and New York City icon lived, worked and died in this converted carriage house owned by another iconic artist, Andy Warhol.

These historic buildings once housed the headquarters of one of the most infamous gangs of New York.

A hidden "place of interment for gentlemen."

An artist's cute bronze subway sculptures belie his violent artistic past.

A popular European tradition makes its way to the states on one of America's most famous bridges.

The name of this famed hospital was once a byword for the horrors of medical and psychiatric care.

Mysterious 500-year-old tapestries depict a unicorn hunt.

Try not to get slimed in Tribeca.

One of only two commuter aerial tramways in the United States.

One part antique store, one part curiosities hodge-podge.

These historic defenses ensured the city within would survive hundreds of years of occupations, sieges, and invasions.

A curious little museum dedicated to the furry feline in the cat haven that is Old Town Kotor.

Belly up to the bar in Cowtown, don't forget to buy some boots.

An enormous pink granite batholith, long attributed with spiritual powers by the Tonkawa Indians.

The Grand Canyon of Texas.

An emerald-green grotto just a short trip from Austin.

A modernist landscape of water and sci-fi concrete.

The world's largest squirrel statue clutches a pecan bigger than your head.

A 24-hour vending machine restocked daily with homemade full-sized pecan pies.

Amazingly detailed marble cinerary urns that once held the cremains of Roman elite.

The pit stop from "The Texas Chainsaw Massacre" now serves beef and pork barbecue, not people.

A colorful public mural in San Antonio's West Side encourages students to stay in school.

Craggy concrete faces are hidden in the walls of this artificial cave along the San Antonio River.

San Antonio's first 3-D stereoscopic mural is a trippy treat for the eyes.