A small museum along the Susquehanna River is home to a rich collection of Native American artifacts.

The Home and murder site of the witch of Rehmeyers Hollow.

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

For nearly a year, General Ulysses S. Grant was based here during the American Civil War.

An innovative attempt to break a siege in the American Civil War still scars the earth today.

A home built with marble tombstones from the graves of 2,200 Union soldiers buried in a Virginia cemetery.

Mystery surrounds a famous marshal of Napoleon's army.

A psychological self-portrait in the form of a giant, segmented head.

A mountaintop space observatory that is certified dark.

North Carolina's only restored fort from the French and Indian War.

A historic covered bridge, only one of two remaining in North Carolina.

A cabin completely covered in coffee mugs, where visitors are welcome to leave one of their own—if they can find an empty nail.

An abandoned village that doubled as "The Hunger Games"' post-apocalyptic wasteland is up for grabs.

A local dive where religious kitsch, Southern identity, and queer culture collide.

This 5-by-6-foot wooden hut is the smallest historic post office in the U.S.

A 1960s damming project turned one family’s hilltop cemetery into an island.

Decommissioned NYC subway cars are dumped into the ocean to create this underwater wildlife habitat.

This local gem houses the largest collection of pre-Raphaelite paintings outside of the U.K.

WWII-era bunkers are hidden under the beaches of this picturesque park, which is still scattered with wartime watchtowers. .

A scenic fort on the harbor protected Philadelphia from an attack that never came.

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

What began as an art installation is now the private drinkhaüs for a brewery's employees.

This splendid Versailles-inspired mansion has the largest French-style formal gardens in North America.

Enchanting gardens surround a derelict mansion, all hidden in plain sight behind a stone wall.