This simple convenience store sits on the location where the Ouija board was named—and has a plaque to prove it.

The peaceful space is adorned by paintings by the famed abstract artist Mark Rothko.

The land is home to swimming ponies and a legendary 18th-century treasure.

The Home and murder site of the witch of Rehmeyers Hollow.

Northern Ireland's Brobdingnagian stepping stones.

"Dark Sky Park" is heaven on Earth for astronomers, one of the rare U.S. locations with no artificial light pollution.

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

Niagara Falls holds a special place in Nikola Tesla's history, so they put a statue on it.

Once the "Eighth Wonder of the World," this iron railroad bridge was decimated by a tornado.

A museum dedicated to exhibiting remarkable outsider art.

The last holdout of a pre-Civil War rebel who took the matter of slavery into his own hands.

One of the only memorials dedicated to journalists who died in combat.

Mysterious rocks that ring musically when struck.

The ruins of this medieval castle in Northern Ireland have inspired artists from C.S. Lewis to Led Zeppelin.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

The gloomy ruins that inspired Bram Stoker to bring Dracula to life.

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

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

Fascinating town where normal life interfaces with the occult.

Instruments, apparatus, and rare books all relating to chemistry and its related sciences.

A toxic ghost town sitting atop a massive coal fire.

World's first "penitentiary," meant to be humane, drove men insane.

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

The inspiration for H.P. Lovecraft's horror stories and Batman's Arkham Asylum is now a condominium complex.