Sniff the Titan Arum's rotting flesh.

You can still ride this 100-year-old work of art in Brooklyn's largest public park.

One of the most enjoyable bits of history at Coney Island and “the most romantic ride in the world.”

Beneath the mossy overgrowth covering this once-sprawling campus lies decades of history and the secrets that come with it.

Where serial killer Aileen Wuornos drank her last beer.

The world's largest vertical wind tunnel.

A maritime museum holding the remains of Blackbeard's pirate ship.

This sinkhole is disguised as a pond and named after the man who stumbled upon it.

A crumbling hospital from the 1850s on Roosevelt Island.

The red brick house where the father of rock 'n' roll wrote some of his classic hits.

One of the last full-orchestra recording studios in New York City and an acoustical marvel.

Con Edison’s exotic and heat-loving pests.

This ruined fort hidden at the top of Central Park can't seem to keep from losing its historical plaques.

Hidden in Central Park's Ramble is a troublesome cave buried just beneath the surface.

A semi-scholarly approach to sex.

Whisper secrets in a busy station only to be heard on the other side of this acoustic arch.

Read a book next to a Midtown waterfall.

Elevated freight railway turned wildly successful urban park.

Decades after testing the polio vaccine on unwitting patients, this historic mental hospital sits in ruin.

Two hundred tons of pioneer artifacts were painstakingly recovered from a shipwreck at the bottom of the Missouri River.

Curious crustaceans support an obelisk from ancient Egypt that now stands in modern-day Central Park.

A modern zoetrope on the New York City subway.

Tucked in a nondescript downtown Brooklyn mall is a bar containing a remarkable turn of the century anatomical wax collection last seen in 1920s Berlin.

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