This scenic Maryland park was the site of one of the worst prison camps of the Civil War.

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

The residents of this ominous-sounding street in Pennsylvania liked its name so much they fought to keep it.

Where the "World Pinball Champion” is crowned.

These lush botanical gardens employ the most purrfect pest control force.

Enjoy a slice while browsing the world's largest collection of pizza memorabilia.

Behold the rickety wooden glory of the world's oldest operating roller coaster.

America's first serial killer rests in anonymity.

This hidden gem of a garden has one of the only surviving Victorian ferneries in America.

Board a mine car and descend the #190 slope 300 feet underground into the Clark Vein of coal.

The Pennsylvania landscape depicted by a quarter mile of mosaics made from used road signs.

A historic covered bridge is but one example of an oddly prevalent American urban legend.

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

This titanic java kettle is one of the many kitschy landmarks located along America's OTHER famous highway.

Pennsylvanian mass grave and possibly mass murder.

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

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

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

A clone-tree in Washington Square Park sprung from seeds that went to the Moon and back.

Over 100 concrete munitions bunkers are all that remain of a Pennsylvanian village seized by the US government.

Buildings that dynamite couldn't bring down were abandoned because of bathroom issues.

This eerily well-preserved coal town was saved from destruction by a Sean Connery movie.

In the early 1800s, surgery was also a show.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.