America's most famous museum of medical oddities is home to the remains of Albert Einstein's brain.

The first American department store, and home to the largest operating musical instrument in the world.

Huge masonic hall in Philadelphia with lavishly themed rooms.

A tradition unlike any other, this marks the site of the annual Groundhog's Day tradition.

An indoor miniature village and labor of love for Laurence Geiringer, a model railroad enthusiast.

The oldest farmer's market in America is so ancient it was approved by the King of England.

A toxic ghost town sitting atop a massive coal fire.

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

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

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

A local prank turned town icon.