This unique bridge curls up like a caterpillar to let boats pass and then unfurls again to span a small canal.

A one-ton statue of Steve Rogers beautifies the entry to a Brooklyn Bed, Bath & Beyond.

The best B-movies filmed on a shoestring budget were born here.

The iconic Manhattan corner that was once the site of the Beastie Boys' fake clothing store.

A tunnel once abandoned now thrives with graffiti art as an off-limits makeshift gallery.

A semi-scholarly approach to sex.

New York's oldest magic store.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.

These mysterious ancient stone spheres were created by a civilization lost to time and are now mostly lawn ornaments.

A 19th century library favored by Edgar Allan Poe and H.P. Lovecraft, known by locals as "the Ath."

This little museum is built on a theater that was once a wildly elaborate speakeasy.

This humble historic facade hides a history of boozing and the gentlemanly sport of rat-fighting.

Huge stone depressions which may have acted as an Incan agricultural experiment.

Abandoned power station once home to a squatter community, now being developed into an arts center.

A museum devoted to bringing to light forgotten or neglected histories through exhibitions, education and public programming.

Deep under Manhattan is the largest construction project in city history. So far, the project has taken the lives of 23 workers, or "a man a mile."

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

A terrific purveyor of natural history objects and curios.

A fiery crater has been burning in the Karakum Desert since 1971.