Seven people are buried in the middle of what's now a movie theater parking lot.

A completely round house designed for the Atomic Age.

The remains of a century-old mansion that met a fiery demise years after it was deserted.

One of the world's largest model railroads is a mind-boggling achievement.

This historic iron-working village is now a ghost town so immaculate that it looks as though it was recently built.

Along the Palisades skyline are the ruins of a large mansion built in 1911 and demolished in the 1930s.

Once in a state of dilapidation, this candy-inspired fortress is now being revived.

The remains of a 19th century spring, and the site of an infamous unsolved murder.

The boulder on which Alexander Hamilton laid his head as he died can still be visited on the New Jersey coast.

World War II bunker still standing on the New Jersey beach.

In the woods of New Jersey lie the ruins of a munitions village abandoned after World War I and the remnants of a 1920s wooden racetrack.

A unique sculpture park that specializes in the huge and bizarre.

Hidden in plain sight on the Hudson River is an abandoned train station where nature has taken over.

Hundreds of glow-in-the-dark objects light up a museum in a historic zinc mine.

A small structure built from used railroad ties honors the short term of America's 20th president.

Along a busy beachfront strip you may hear Frank Sinatra singing from one boardwalk home.

Where the embers of the Big Bang were first detected.

With the touch of a button, you can read a randomly selected short story.

San Francisco's newly reopened hands-on science museum.

A collection of 20th-century automata, penny arcade games, and musical contraptions.

Get lost in this haunting fairytale art walk through a man-made eucalyptus grove.

A psychedelic labyrinth on the San Francisco bay.

The only theatre in the world constructed specifically for sound movement.

Yo, Adrian!