A collection of 20th-century automata, penny arcade games, and musical contraptions.

A reliquary of pop culture marvels, including the world's largest (and most terrifying) Jack-in-the-Box.

A semi-scholarly approach to sex.

An experimental, community court opened in 2000 takes a new approach to youth offenders in south Brooklyn.

A modern zoetrope on the New York City subway.

Dodge prohibitionists and slide through the telephone booth in Crif Dogs.

A room in New York City that contains 250 cubic yards of dirt worth a million dollars.

One kilometer of thick brass rod laid out before your eyes.

The US Navy's only submarine museum is also home to the world's first nuclear submarine.

Public outcry led to this bridge's unique character which celebrates a giant frog battle and also sewing.

This opera house along the banks of the Connecticut River has two Tony Awards to its credit but it’s never staged a single opera.

A wunderkammer hidden on the top floor of the Hartford statehouse.

The former home of Samuel Clemens and family remembers the happiest period of the author's life.

This lovely hilltop tower was specifically built to withstand 100 MPH winds.

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

This innocent-looking townhome is actually a subway exit.

La Monte Young and Marian Zazeela's "Dream House" will immerse you in an ever changing world of sound and light.

A tiny museum housed in a New York freight elevator specializes in the "overlooked, dismissed, or ignored."

Try not to get slimed in Tribeca.

The former site of an all-but-forgotten colonial landmark is now remembered by an often overlooked bas relief.

Dim sum, served in a grand old theater.

This upscale streetwear store is hidden behind a fake Snapple machine in the back of a deli.

An enormous, inside-out glass globe built in 1935.

This impressive Boston holy house is the American mecca for Christian scientists.