Discarded animal sculptures stand forgotten by an abandoned aquarium and water park in Bosque de Chapultepec.

In Coyoacán, a pair of coyotes crown a public fountain in reference to the ancient Aztec name of the borough.

This old-school café is famous for serving coffee, chilaquiles, and the Cuban Revolution.

One man's hand-sculpted collection of colorful masks representing a host of gruesome spirits.

Looking for a crappy restaurant? Pull up a porcelain bowl and enjoy your meal.

When it comes to handsignals (and colonialism) rock always beats scissors.

A small triangle of DC grass is the final resting place of one of Sonny and Cher's songs.

Sit where JFK proposed to Jackie or where Nixon dined on meatloaf at this storied pub.

The institution is sitting on a goldmine of 21,000 paints, varnishes, pigments, and primers preserved for posterity.

The hidden offices underneath Memorial Bridge have been locked up since 1976.

An atomic bomb-proof strongbox protects the U.S. Constitution from terrorists and thieves.

This leafy estate is worth $18 million and is so grand it has two mailing addresses.

A nostalgic bibliographic gem.

The winding route passes through an enclosed alleyway, two tunnels, and leads to the White House basement.

Ride the subways of yesteryear.

A hidey-hole sandwiched between cellphone, DVD, and jewelry stores features Tibetan delights.

Crammed into several rooms of a Staten Island home, this museum is a vodka-soaked paean to the pleasures of drinking.

This empty Victorian manse on Staten Island is said to be haunted but is actually a real life crime scene.

There's a piece of New York City transportation history hidden in plain sight at a Manhattan subway stop.

The one-time office of the architectural firm that ushered in the Gilded Age is now a Club Monaco.

This slender three-story building has also had several famous residents.

On this island, you suck away your garbage via an elaborate pneumatic tube system.

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

Long the exclusive domain of birds and vagabonds, this little-known Central Park peninsula is open to the public once more.