Two men built this castle on the Florida coast as an artistic “landscape sculpture.”

A tribute to Ponce de Leon's supposed quest for eternal youth.

The largest burial mound in the United States holds the remains of prehistoric West Virginians.

Berkeley Hot Springs presents to you "the only outdoor monument to presidential bathing."

These rows of World War II-era bunkers were the scene of some of the infamous Mothman sightings.

Hikers can still stroll beneath the long conveyer of this abandoned mining facility hidden in a West Virginia river gorge.

This abandoned dream castle and its cemetery look out over the city that once inspired their creation.

This Florida sinkhole hides a rainforest-like micro-environment in its depths.

A swamp that was the site of prehistoric water burials also managed to preserve its corpses for millennia.

Given just one more year to live, Conrad Schuck built his dream house in Bartow, Florida.

VW heaven in the backwoods of Dade City, now gone.

A Florida college boasts the world's largest single-site collection of structures designed by Frank Lloyd Wright.

Possibly the most beautiful carillon in the world, set atop Iron Mountain in Florida.

The world's 2nd or 3rd or 4th busiest seaplane base.

The culprit who accidentally lit this 3,500-year-old tree on fire stated "I can't believe I burned down a tree older than Jesus."

Once featuring over 60 miniature replicas of famous Chinese locations, the Splendid China theme park was completely abandoned and is now mostly rubble.

Disney World's very first waterpark is now an abandoned ruin being reclaimed by the swamp.

Remarkably realistic Florida shoal bass "swim" inside this large globoid sculpture.

Hundreds of skulls and bones at the largest skeleton museum in the country.

The humble home where the famous beat author lived briefly and wrote one of his most famous works.

Human skulls and a stuffed goat made into a rocking chair can be found at this strange little store.

A former mental hospital founded in the 1930s by a eugenicist who advocated for the forced sterilization of patients.

A railroad tunnel that, upon its completion, was considered one of the engineering marvels of the modern world.

Visit these gentle, bell-bottomed, exquisite equines at the home of North America's first Gypsy Vanner horses.