Dedicated to the art and science of glass in equal measure, this space is as much laboratory as museum.

Sail through this subterranean show cave that is home to a legend that would go on to name nearly everything around it.

This palatial botanical garden is home to one of the largest pipe organs ever installed in a private residence, and a piece of Wood's cycad.

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

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

World's first "penitentiary," meant to be humane, drove men insane.

This Philly cemetery is the eternal home of many famous area residents, including Rocky Balboa's wife.

A toxic ghost town sitting atop a massive coal fire.

In which a local geological marvel becomes a quaint roadside attraction.