Explore the largest pure gypsum deposit in the world, and go dune sledding while you're at it.

Whether you're up or down, the Elevator Museum is worth a stop.

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.

Red Hook's massive public pool, built by Robert Moses.

The highest rapid transit station in the world.

Before online banking and smartphone apps, there was "commuter banking" in the subway in Downtown Brooklyn.

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

A strip of modern stores in historic buildings.

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

New York's oldest concrete structure is being preserved thanks to the gentrification of Whole Foods.

You must take the A train... to the last active cemetery in Manhattan.

Depression-era fun lives on in this Harlem museum dedicated to the sport of the street.

Manhattan and the Bronx have been playing tug-of-war over this former island neighborhood for more than a century.

This micro-industry of Latino cuisine along Red Hook's Ball Fields represents a victory in a food fight with the city.

The home of the first American-born saint is one of the only curved buildings in New York.

Spike Lee's provocative film is officially honored right where it was made, the first time a work of art was used as a secondary street name.

The Underground Railroad passed right through this historic Brooklyn Heights church.

The famed amusement district marks the beginning of summer with a wild procession of nautical creatures.

A collaborative art project that transformed a neighborhood in NYC's Queens.

A remnant from the golden age of aviation still in use today, Pan Am's Clipper service took off from this Art Deco gem.

This stunning concert hall has become a symbol of Iceland's national recovery.

Medicinal spa created with the discharge from a geothermal energy plant.

The notorious "Hanoi Hilton" where Vietnamese colonial subjects and later American POWs, including John McCain, were imprisoned.

Ho Chi Minh's perfectly preserved body has been on display here since 1975.