The red brick house where the father of rock 'n' roll wrote some of his classic hits.

A mysterious light of unknown origin on the backroads of Missouri.

The Quapaw tribe supplies the meat and produce in this Oklahoma casino restaurant.

A historic house in St. Louis was plagued by a series of suicides committed by family members involved in a successful brewery.

400 million-year old limestone caverns nestled in the Ozarks served as shelter and a hideout for cultures throughout North American history.

Erosion and time have created a naturally-formed water park.

Curious cave that stays a cool 56 degrees all year long.

Less a museum than a bizarre fantasy world created by artists and engineers.

The history of the treatment of mental illness, illustrated in all its gory detail, and housed in an asylum.

If there's another drive-through golf-cart bar in a bat-filled cave on top of a mountain, we don't know about it.

Once an ambitious nature spa, these forest ruins now provide a serene monument to failure.

This abandoned prison castle has become an imposing gallery of graffiti art.

This wooded grove of beautiful hand-built stone grottos is a hidden gem within a shuttered Franciscan monastery.

This former small town was destroyed not by the motor oil it sprayed the ground with but by the toxic waste that was added.

A moody and picturesque riverside ruin overgrown with vegetation.

Local legend says the remains of Father Christmas lie within the medieval grounds.

One of the most popular megalithic sites in Ireland stands as a humbler version of Stonehenge.

The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

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

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

The world of the ancient Celtic civilization explained through a bewitching 11 acre garden.

This abandoned nuclear cooling tower casts a shadow over a bucolic town.

Over 200 people were buried here with only a small stone to mark their final resting place.

This limestone outcropping was once a ceremonial site for ancient Native Americans.