This monument to a veteran of the Mexican-American War is one of only two in Manhattan that serve as an actual mausoleum.

A 19th-century politician who died after walking home in a blizzard is honored with this Manhattan statue.

Stunningly detailed mosaics in a New York subway station bring life to the Weimaraners of artist William Wegman's work—and to thousands of commutes.

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

This exemplar of modernist architecture is meant to captivate and inspire students of the Cooper Union.

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

A decommissioned military complex that's now a modern industrial park.

Elevated freight railway turned wildly successful urban park.

This beautiful Brooklyn monument over a crypt memorializes a grim and largely unknown story from the American Revolution.

A popular European tradition makes its way to the states on one of America's most famous bridges.

This enormous banquet-themed artwork honors over 1,000 notable women throughout history.

Michael Jackson got Bad and Crocodile Dundee walked on heads in this iconic Brooklyn subway station.

This elaborate tunnel is the first structure composed of cast concrete in the United States.

A WWI fighter plane and turn-of-the-century penny candy shop are among the unexpected features of this Financial District building.

The world's largest collection of materials relating to lesbian history is housed in a Brooklyn townhouse.

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

The highest rapid transit station in the world.

The longest continuous underwater road in North America was built at the insistence of Franklin Roosevelt.

A Victorian cemetery in the heart of Brooklyn remains a popular mecca of morbid curiosity.

Rusting away on the edge of New Jersey are the remains of a Cold War missile launch site.

A playground inspired by differential calculus dangles from the ceiling of the Liberty Science Center.

A trompe-l'oeil statue honoring the first guide dog in North America.

Nassau Hall has served as army barracks, a museum, and played a key role in the American Revolution.

This gorgeous beach hides behind two headlands in Oregon's Ecola State Park.