A crumbling hospital from the 1850s on Roosevelt Island.

A terrific purveyor of natural history objects and curios.

A beautiful and abandoned New York subway station from 1904, complete with chandelier.

A shining, cold, black organ lies in San Francisco's financial district.

Noble beasts perhaps, but not the Emperor's dogs.

Faceless white figures loom over the city from the rooftop.

A famous alternative culture epicenter and where Joplin serenaded young hippies.

Since 1973, this block has been home to the most concentrated collection of murals in San Francisco.

This concrete tangle of square pipes has stood as a proud thorn in the city's side since the '70s.

San Francisco's oldest surviving monument and meeting place for 1906 survivors.

A still functioning vaudeville carousel that has operated for over a century boasts a colorful menagerie and past.

The last remaining relic of San Francisco's glittering 1915 Panama Pacific Exposition.

The giant pair of sexy legs sticking out the window of this costume store have become its main draw.

Carnivorous plants, medieval aphrodisiacs, and the largest original wood structure glass conservatory in the western hemisphere.

This shop specializes in oddities and Victorian-inspired wonders.

Nestled in the heart of San Francisco’s bustling Financial District stands a unique homage to the Mayan and Beaux Arts.

A huge musical instrument played by the ocean.

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

Where animatronic singing fish go to retire.

A beautiful South Korean gate and garden in Little Rock honors American Taekwondo.