A religious-themed park filled with folk art to bring biblical stories to life that fell into disrepair and now being restored.

A hidden gem on the lawn of the U.S. Capitol Building designed by landscape architect Frederick Law Olmsted.

One of the few surviving examples of the first lock and dam system built on the Ohio River.

An abandoned 1920s school with a mysterious history.

One day a year it is legal to jump off of this astoundingly tall bridge that spans an Appalachian gorge.

Once connected to the outside world by a single train track, this ghost town is looked after by the National Park Service.

This abandoned amusement park was built on a site with a dark history.

The ruins of the suspension bridge hang over Kingsbury Run as a ghost of racial prejudice.

A retro walk through the history of the tube.

Small, privately owned island divided between Michigan and Ohio with abandoned vacation homes and a derelict lighthouse.

What is it about mushrooms that makes people wish they lived inside of them?

This collection of Japanese luck idols beckons visitors with over 2,000 waving paws.

An art deco ice cream shop covered in vintage train station tiles.

An abandoned relic of the city's failed experiment with below ground transit.

An enormous overgrown greenhouse teeming with graffiti and wildlife.

Once the world's largest reinforced concrete structure, this abandoned bridge now beckons urban explorers.

Tucked behind New Jersey's abandoned Gingerbread Castle lie the eerie ruins of a once-flourishing paper mill.

Whimsical artist house in the New Jersey woods.

A recently abandoned psych ward at the end of Sanatorium Road.

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

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

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

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

A crumbling stone stable and carriage house are all that remain of a manse that was once filled with Egyptian artifacts.