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

Series of storm drains connected to a dark urban legend.

This stone tower marks a lookout point over the historic Washington Crossing, and maybe some buried treasure.

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

This elaborate towering structure was once famed for its revolutionary height.

A layered tribute to the work of mosaicist Isaiah Zagar.

World's first "penitentiary," meant to be humane, drove men insane.

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

This hospital fell into ruins after failing to act as the advocate for the mentally ill it was designed to be.

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

The highest point in New Jersey is marked by a massive, if simply named, obelisk.

Local lore claims this park is named after a young woman who jumped off a cliff.

The rusting remains are visible sticking out of the waters of the Delaware Bay.

This disastrous New Jersey safari park saw animal attacks, escapes, and disease before being abandoned.

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

A reservoir of vintage pinball machines and arcade games for the nostalgic and thrill seeking.

Step inside Lucy, the world's largest "elephant."

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

The 10,000 Torii shrine.

The quintessential Japanese rock garden has existed for more than 500 years.

This Buddhist temple is home to the graves of the Japanese national legends, the 47 Ronin.

Seat of the Duke and Duchess of Devonshire for centuries.

A 6th-century stone lies at the site of the mythical battle waged between King Arthur and his nemesis Mordred.

These lovely Turkish-styled baths were brought back to life after winning a reality show competition.