A local prank turned town icon.

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

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

A soon-to-be-forgotten roadside spectacle loaded with local lore.

Penn State's giant bug collection.

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

A toxic ghost town sitting atop a massive coal fire.

An "inside out" building in the historical center of Paris, featuring Europe’s largest modern art museum.

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

The pop art icon's gravesite is broadcast 24 hours a day on his museum's website.