Subways in New York City

An out-of-service tunnel and nearby remembrances recall the location of a deadly train crash in the New York City subway.

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

Designed by famed 20th-century architect Cass Gilbert, the future of this abandoned 1908 rail station is currently in limbo.

Out of a labyrinth of abandoned tunnels and stops, this Queens subway station is arguably the most mysterious—if it exists at all.

A touching tribute to the "Queen of Soul."

A remnant of the original World Trade Center complex continues to serve as a commuter gateway.

Fake subway tiles were installed to cover a design that resembled the Confederate flag—it's unclear if the resemblance was intentional.

A mosaic made of materials gathered from this Brooklyn community adorns the walls of this tunnel.

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.

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

Just your average Marie Antoinette–themed speakeasy in an abandoned 19th-century subway tunnel.

The highest rapid transit station in the world.

A retired subway car stands alone in a field in the middle of Queens.

This unusual subway stop was originally a real estate office.

New York's southernmost subway station is whimsically wavy.

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