Pompeii's less famous neighbor is still revealing her secrets.

This 29-ton granite ball spins around at the slightest touch thanks to a scientific phenomenon.

Fresh wooden posts have been added to ancient holes to recreate a primitive henge clock.

A museum dedicated to exhibiting remarkable outsider art.

Remnants of a storybook amusement park hidden behind a strip mall.

A sacred site for Native Americans surveyed by George Washington and owned by both King George III and Thomas Jefferson.

An organ located deep within a cave, whose "pipes" are the geological features of the cave itself.

The only recreation of William Shakespeare's indoor playhouse.

Edgar Allan Poe's old dorm is now a shrine to the author's legacy.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

This huge pile of volcanic boulders hides a stunning network of secret grottoes.