The narrowest house in America is seven feet of pure spite.

The oldest building in the District of Columbia was preserved because of a mistaken connection to George Washington.

This giant disembodied horse head seems to balance impossibly on its nose.

Once the world's largest reinforced concrete structure, this abandoned bridge now beckons urban explorers.

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

Try not to get slimed in Tribeca.

Order scoops of pandan, lychee, and black sesame at this family-run institution.

The best place in New York to pick up the controversial, notoriously foul-smelling Asian "king of fruits."

A pride of the state, this working museum crafts pottery mosaics in the style of Pennsylvania's earliest European settlers.

The sounds of the world's largest fully functioning pipe organ dazzle shoppers at a Philadelphia Macy's.

A sculptural commentary on capitalism pokes up from the East River.

Visit the monolithic tomb of America's most famous general.

A curious fountain that has no water and includes Satan, a crab, and 9 giraffes.

This former crime corner has been turned into an eclectic community center.

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

Salute the leader of the proletariat.

An artist's cute bronze subway sculptures belie his violent artistic past.

Wall Street has a new heroine, a bronze statue of a small but fierce girl.

The oddly shaped, steam-spewing building is now an art studio and gallery.

Perhaps the most scandalous statue of America's first president.

Possible relics of the ancient Roman city are hidden in this restaurant's façade.

A terrific purveyor of natural history objects and curios.

This Wall Street bar was once a hub of revolutionary activity where Washington famously bid farewell to his troops.

The taxidermy remains of the first mammal ever cloned from an adult cell are on display in Edinburgh.