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

A rock maze opens up to a panoramic viewpoint at an abandoned mine full of ghost stories.

A living maritime paradox still floats in the same lake where it was built and resurrected... or was it?

A quirky collection of outsider art made from automobile parts.

This collection honors the iconic, and proudly American lighter that just won't quit.

For decades, it has disappeared and reappeared as water levels rise and fall.

Locals call this magical moss-covered walkway the "Emerald Path."

This 19th century machine put animals (including humans) in boxes to study how they metabolized calories.

Penn State's giant bug collection.

No one knows who painted this mysterious mural in a Penn State basement.