This picturesque stream was up until recently the site of a ten story mountain of slag and sewage.

A soon-to-be-forgotten roadside spectacle loaded with local lore.

These mystical miniature houses bring a touch of magic to the New Jersey woods.

Mysterious rocks that ring musically when struck.

North America's oldest quarantine facility was built in response to Philadelphia's 1793 yellow fever outbreak.

This recreation of a 19th-century dime museum is full of oddities.

The remains of an old sawmill, gristmill and the surrounding industry dating back to the 18th century.

Hidden deep within New Jersey Pine Barrens is a massive graffiti wonderland.

A historic grist mill and active sluice on the Black River.

A park full of outsider art, created by college students studying outsider art.

Vacant Beaux-Arts buildings that serve as reminders of a beach town’s glory days.

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

An enormous overgrown greenhouse teeming with graffiti and wildlife.

This tiny New Jersey village has lived many lives but seems determined to remain a ghost town.

Failed state-supported institution meant to rehabilitate students with intellectual disabilities.

Once America's longest-manned military fort, now an abandoned hulk.

The haunting, dilapidated remains of a former poorhouse on Staten Island's Greenbelt.

The remains of a community that was forced to move for a dam that never materialized still rot in this Pennsylvania park.

This park contains a number of standing stones meant to heal and inspire.

This huge, disused viaduct is now a crumbling concrete underworld of covered in years of graffiti.

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

A train station that was abandoned by the coal industry and was later converted into a cocktail bar.

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

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