A memorial for an outsider theorist who believed that the planet is actually hollow.

The future of roadside attractions is this sci-fi soda mecca that is home to a 66-foot tall neon pop bottle.

Origin of the blue-skinned Fugates of eastern Kentucky.

Rabbit Hash is a heaping slice of Americana from another era, with a very peculiar origin behind its unusual name.

A 70,000-square-foot institution dedicated to a very literal, creationist perspective on the Book of Genesis.

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

A turn-of-the-century architectural marvel built on healing mineral springs and salt licks.

Home to a protest movement, a bombing, and a dramatic change in labor history.

One of the first historical sites of an alternative universe was installed in the town of Paris, Illinois—which is now home to an annual spelling bee of Kcymaerxthaereal words.

Huge abstract sculptures of the Puerto Rican Flag.

A gothic church spire sits atop this skyscraper, the tallest church in the world.