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

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

One of the oldest of its kind.

A dramatic, 360-degree recreation of Pickett's Charge in the Civil War.

This dramatic rail curve was once the target of a failed Nazi attack.

The graffitied ruins stand hidden within the Pennsylvania woods.

The abandoned coal loading dock is a canvas for unsanctioned art.

Pennsylvanian mass grave and possibly mass murder.

A macabre farm reserved part of its 222-acres for dead bodies, all in the name of science.

The first partially complete dinosaur skeleton was discovered here, forever changing the world's view of the ruling reptiles.

New Jersey's last historic covered bridge was rebuilt from pieces of the original 19th-century structure.

The final resting place of one of the United States's greatest poets.

Vintage cars and motorcycles race for glory in a throwback motorsport celebration on the Jersey shore.

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

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

This Boy Scout retreat acted as "Friday the 13th"'s original Camp Crystal Lake.

This Great Depression-era creation was once known as the strangest house in the world.

A mine fire has been burning under the deserted town since 1962, but this church is still going strong.

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

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

These beautiful ruins deep in the Pennsylvania woods are thought to have been a ski lodge or a speakeasy, but no one really knows.

Abandoned waterpark turned counter-culture mecca.

Cursed swimming pool left abandoned is now a favorite of filmmakers and ghost hunters.

Abandoned Nazi train station turned underground astroparticle laboratory.