An enormous natural sandstone bridge in Kentucky.

This modern castle sat empty for decades before a fire inspired its builders to complete its luxury halls.

Prehistoric animals decorate this popular outdoor park.

Moonbows over Kentucky.

The world's longest known cave system.

Eight rare Corvettes are swallowed up by a sinkhole in Kentucky's National Corvette Museum.

The mysterious 855-foot zigzagging stone wall has been baffling people for centuries.

FDR hoped to find a cure for polio in this Georgia town's warm springs.

The perfectly named cave drop is the deepest in the continental United States, almost matching the height of Seattle’s Space Needle.

This historic oak tree has been around for over 300 years and might last for 300 more so long as it doesn't fall apart first.

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

Carved faces add a touch of magic to this island's impressive oak trees.

Georgia's first brewery is also one of its oldest surviving buildings.

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

A beautifully detailed Victorian house designed to be easy to flee, built by a man haunted by fire.

Where school buses go to die and be reborn as whimsical works of art.

Interactive modern and vintage submarine equipment, World War II relics, and submarine attire.

An impressive collection is dedicated to the legendary beast.

An abandoned bait shop with a front lot filled with storage boxes.

A museum and doll store featuring a surreal and super sanitized version of where babies come from.

Secret gardens just a few miles from downtown Atlanta.

3/4-scale model of the White House in Atlanta, Georgia.

This "Plant Farm Museum" is home to the divinely inspired and visionary outsider artwork of Reverend Howard Finster.

A vision of beautiful Hindu architecture in the middle of the American South.