The crumbling remains of a 19th century fortess.

A natural swimming pool in the middle of the Carite Forest.

This nearly abandoned "company town" is a ghost of Puerto Rico's once-lucrative sugar industry.

A building that was once a general store, a speakeasy, and a newspaper office now holds a small gallery filled with New Orleans photography.

America's only city hall with minarets took architectural cues from Ali Baba and the Forty Thieves.

Former villa and estate of James Deering developed to preserve native tropical forests.

12,000 sq. ft. museum tracing erotic art from antiquity to modern times.

Come for the boats, stay to explore the intriguing assortment of art.

William Faulkner kept his beloved estate wild and untamed.

Florence’s mother built a stairway down to her daughter’s coffin so she could comfort her during storms.

This roadside attraction in the woods of Mississippi is a scalable replica of the Holy Lands during biblical times.

A cheeky alleyway window hosts tiny rotating exhibits with outsized charm.

A parade of interactive nostalgia nestled within a giant brick building in downtown Hattiesburg.

All that remains of this small town is its mass grave and a myth of a voodoo priestess who predicted its demise.

A dramatically eroding canyon thousands of miles from the desert.

A 200-year-old bar is all that remains of one Mississippi River town's rough-and-tumble past.

The second-largest ceremonial mound in the United States is an artificial hill that is loosely shaped like a pentagon.

An eerie and beautiful group of columns mark the site of a grand mansion lost to time and fire.

An abandoned underground bunker not far from downtown New Orleans.

The oldest cemetery in New Orleans, resting peacefully for over 200 years now.

Three sinkholes filled with warm, crystal-clear water reached by a horse-driven cart on an old train track through the jungle.

If you can look past the nearby sewer pipes, this urban sinkhole grotto is a mini-paradise.

A small collection of iguana-infested ruins hides amid Cancún's bustling hotel zone.

The ruins of an important pilgrimage destination for worshippers of a Maya fertility goddess.