An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

An ancient neolithic tomb that only sees the sun twice a year.

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

An Irish church where an 800-year-old mummy is reaching out of his coffin as if to shake hands.

This folk art compound was built by a fortune teller on the advice of three people from the future.

The ancient tomb acts as a calendar that keeps perfect time.

Andy Griffith's hometown has made itself up to look like the fictional town of Mayberry.

This bright yellow relic is the final survivor of a short burst of seashell-shaped petrol pumps.

A piece of outsider public art accompanied by a strange urban legend.

A retired tobacco farmer's pet project turned into a sturdy miniature city.

A folk art mecca famous among outsider art fans.

This elaborate towering structure was once famed for its revolutionary height.

A museum dedicated to the strange and extravagant costumes and memorabilia of the mummers, a tradition older than Philadelphia itself.

The first American department store, and home to the largest operating musical instrument in the world.

Huge masonic hall in Philadelphia with lavishly themed rooms.

Mural made of 100,000 pieces of hand blown glass, and until recently, the largest glass mural in the US.

A layered tribute to the work of mosaicist Isaiah Zagar.

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