Check out the underground party scene at the "Burning Man of Brooklyn."

Behind a bodega is a small museum of relics and ephemera showcasing the history of New York.

18th century anatomical amphitheater of the Royal College of Surgery of Barcelona.

Remains of a station that only operated for one year.

Hand-powered race of alternative forms of transportation.

A unique sculpture park that specializes in the huge and bizarre.

A warehouse for all of your architectural details.

A drawbridge named for a potentially intersex Polish national who fought alongside George Washington during the American Revolution, and an example of "Pulaski Red".

Home to the largest urban bat colony in North America, estimated at 1.5 million bats.

The most unique castle in all of Southern California, entirely constructed from repurposed materials.

A terrific purveyor of natural history objects and curios.