Hidden in one of New York's oldest subway stations is the final remnant of the site of the bizarre Shakespeare Riots.

A strangely angled West Village home is the only monument to an explosion that took the lives of three American revolutionaries.

Red frames showcase remnants of one of New York's original subway stations.

The name of this tiny pocket park tucked between two buildings on Manhattan's Upper West Side is Latin for its location: "seventy-one."

New York City's first Modernist house.

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

This cemetery has graves dating back to the 17th century, including the city's oldest carved tombstone and an ominous cryptogram.

A clock set into the concrete outside a Manhattan jeweler has been telling time underfoot for over a century.

There’s a secret bunker inside the Brooklyn Bridge, but the city won’t say where.

A graffiti Mecca welcoming artists from around the world.

A small peaceful park and waterfall tucked amid the urban grind of Midtown Manhattan.

This translucent sculpture represents a quintessential component of New York City's skyline.

I fought the law and the precinct caved in.

A way to take your secrets to someone else's grave.

A beautiful collection of architectural ornaments rescued from demolished New York City buildings.

Captain America, Sub-Mariner, and the Human Torch were all born in this art deco Manhattan masterpiece.

The most unloved grain elevator in Brooklyn was a “Magnificent Mistake.”

Nature and beauty amidst pollution and industrial wreckage.

Beautiful mosaics cover the first stations opened on New York City's newest subway line.

Where now stands a 42-story condominium tower of marble, glass and steel was once the central market of New York’s slave trade.

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

Salute the leader of the proletariat.

This futuristic airport terminal was abandoned for decades before reopening as a hotel—with a vintage plane of its own parked out back.

A retired oil tanker now offering amazing views of New York City.