The fairy tale castle of the “fairy-tale king,” this was also the inspiration for Disney’s “Sleeping Beauty.”

In all of the 29 years it was in operation, no prisoners ever escaped successfully... or so they claim.

A sharp bend in a dramatic river canyon cut through red rocks.

France's most famous cemetery, with some of its most curious tombs.

Most-visited and most-photographed slot canyon in the American Southwest.

A crumbling hospital from the 1850s on Roosevelt Island.

Rippling sand dunes frozen in the Arizona rock.

A huge musical instrument played by the ocean.

This winding road of 318 curves is a must-visit for (careful) motorcycle and sports car enthusiasts.

A historic dam made famous for its turbines and feature in a Hollywood classic.

The mysterious wonder of an underground waterfall is illuminated by multicolored lights.

A bizarre roadside attraction and the first instance of miniature golf in the world.

Georgia's highest point was given its strange name thanks to a simple translation error.

The ruins of a cotton mill that was burned in the Civil War are still hidden in a Georgia forest.

Like Mars, but much closer.

Healing Springs that once ran red with soldiers' blood.

Just a few miles from downtown Atlanta is a trail covered in a crazy collection of outsider art.

The beauty of urban decay, hiding some dark secrets.

The Battle of Atlanta in 360 degrees, featuring a corpse that bears a striking resemblance to Clark Gable.

One of corporate America's best-kept secrets is also one of the most publicly displayed.

Civil War soldiers, captains of industry, and paupers all interred on historic grounds.

An underground magnet for ever-changing street art.

Atlanta's strange assortment of concrete pillars inspires reflection in some, confusion in others.

This mysterious twin turboprop Grumman G-159 covered in graffiti has spent a decade and a half abandoned.