The most confusing clock in New York.

This peaceful Massachusetts graveyard was one of the first "garden-style" cemeteries in America.

Abandoned Italianate architecture on the coast of Maine.

Sniff the Titan Arum's rotting flesh.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

This picturesque abandoned home is rumored to be a spite house.

No one really knows how these old hobby horses got here, but the herd keeps growing.

This once sprawling resort now sits abandoned, filled with graffiti and vibrant colors from an era long passed.

Site of the first pathological and bacteriological research facility in the United States.

Three and a half miles of cliffs, rocky beaches, Gilded Age mansions and 40 Steps to nowhere in particular.

This Central New York ghost town was once a prosperous railroad community.

A miniature rainforest is growing inside of a Midtown Manhattan office building.

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

Elevated freight railway turned wildly successful urban park.

This abandoned Poconos resort is haunted by a history of kitschy romance and a violent fugitive.

An iconic steel and chrome diner from the 1940s left empty for nearly 20 years is in danger of being demolished.

Now abandoned, the first public health hospital in the U.S. saw more than one million immigrants from around the world.

A crumbling hospital from the 1850s on Roosevelt Island.

The world’s oldest and biggest bookstore stocking only mystery, crime fiction, espionage, and thrillers.

The remnants of two World's Fairs are here, complete with a 12-story globe, a mini-Manhattan, and a UFO-shaped pavilion.

A dilapidated dock tells the story of Titanic's missed arrival.

A no-frills cinephile haven known for showing offbeat, underseen films.

America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

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