Home of a 28-foot tall stalagmite known as the War Club.

The ruins of an old mill lie in a small ravine along a hiking trail near Little Seneca Creek.

Once part of a dam servicing an early 19th century grist mill, the tucked-way falls are a tricky-to-find urban oasis.

A desiccated merman and a walrus penis bone are among the oddities in this eclectic collection of shipwreck treasures.

A wrecked ship dating back to the American Revolution was only recently discovered off the Delaware coast.

In the 19th century, this canal provided power to mills, machine shops, and other businesses in the area.

In the power of this waterfall, Alexander Hamilton saw the potential for industry.

An allegedly cursed tree represents a town's reckoning with a racist past.

Step into Monet's world at this fine-dining restaurant in the middle of a New Jersey sculpture park.

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.

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

Hellam Township is reputed to feature seven remote gates, which when passed through in the right order, open an entrance to hell.

Beautiful views of the surrounding hills and birds of prey can be found at this sanctuary.

Don't get it twisted: This is the oldest pretzel bakery in the United States.

This semi-spooky remnant of an abandoned hotel provides fantastic views.

An outlandish shoe shaped house built by an eccentric millionaire.

It would take 35 firetrucks to fill this enormous glacial pothole.

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

This lush forest valley was once mined for lumber to the extent that it was once nicknamed "The Pennsylvania Desert."

When the Austin Dam failed it destroyed much of Austin...and then it failed again.

This little museum in the town where zombies were born celebrates the living dead.

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

Mutant vegetables, transgenic mosquitos, and atomic rodents span the walls of this one-of-a-kind museum.

These tourist trap caverns are said to be the former home of a legendary Pennsylvania Hermit.