The French deconstructionist had a weakness for baked goods.

Sip a cappuccino in the historic cafe that introduced them to the United States.

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

Mysterious 500-year-old tapestries depict a unicorn hunt.

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

Ride the subways of yesteryear.

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

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.

A dazzling work by a Pop art legend hangs in one of the world’s busiest subway stations.

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

A living archive of urban activism and space reclaimed.

Monument to a forgotten NYC disaster that claimed the lives of 1,000.

A reminder to choose water over wine since 1888.

One of the few remaining American elm trees in New York’s Tompkins Square Park was the birthplace of a new religion.

Salute the leader of the proletariat.

A former seaside jewel built for the everyman is now simply a neglected art deco fortress.

The home of aviation trailblazers, in a remote corner of the big city.

Waterway populated with abandoned projects, including a submarine.

This small, hidden cove is home to abandoned boats.

Empty, but not abandoned, this cavernous Brooklyn loading dock was once considered the largest individual building in the world.

19th century cemetery hidden in Brooklyn's Prospect Park.

This metal eagle one of the final remnants of a newspaper that wanted to keep Brooklyn to Brooklyn.

This city park was once a lookout point for George Washington’s army during the Battle of Brooklyn in 1776.

This striking arch, one of the first architectural elements constructed in Prospect Park, was recently restored to its original glory.