This Turkish cave boasts some rather bizarre associations with the King of Mount Olympus.

A deadly ancient portal to the underworld.

This now-deactivated naval base defended the Florida coast for centuries.

A former hospital is now home to a pizza parlor and maybe a few ghosts.

A haunted hill that supposedly defied gravity.

At Macon’s oldest cemetery two members of Allman Brothers are buried side by side.

One of the largest-ever mental hospitals now sits abandoned, surrounded by 25,000 unmarked graves.

The site where Confederate president Jefferson Davis was defeated has been marked with a bust... that leaves that part out.

The bottle house obsession struck a Florida man in his retirement, and now he can't stop building.

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