The former home of a mad diplomat is said to still be marked in bloody, arcane scrawls.

An architectural gem nestled into a promontory overlooking a prehistoric landscape.

A hidden three-foot-wide house separates these two regal churches.

One of the most beautiful bookstores in the world hides a neo-Gothic interior behind an art nouveau facade.

This restored Portuguese cafe may well be the most beautiful place in the world to grab a Big Mac.

Elaborate tile work in this railway station tells the story of Portugal.

Picturesque intersection of witchcraft and ancient Christianity.

The spectacular and eerie moss-covered grave site of 19th-century Belgian merchant.

This restaurant features Native American foods from across the country.

Home to the "Circus" trees created by Axel Erlandson.

Once America’s most beautiful army base, this abandoned military fort on the coast of Monterey Bay has been left to the elements.

A giant chameleon, with a fascinating purpose.

The only diamond mine in the world where you can keep what you find.

A modernist landscape of water and sci-fi concrete.

This family cemetery is a reminder of a smallpox outbreak in late-19th-century Texas.

This bridge is haunted by the ghost of a distraught mother.

Cherokee alphabet, proof of ancient North American Jews, or just a hoax?

For two weeks every June, fireflies in the Smoky Mountains perform an astonishing light show.

The highest point in Tennessee, Clingmans Dome bears witness to the ravages of one type of insect.

An abandoned town is hidden in Great Smoky Mountains National Park.

The scant remains of this flooded historic village can be explored in one of the most remote areas of the Great Smokies.

This stone memorial pays tribute to a massive shipwreck which was sadly overshadowed by the death of John Wilkes Booth.

In one of America’s oldest mountain ranges, a long-awaited section of a scenic highway is now open to the public.

One man has spent decades faithfully constructing this unique brick and cinderblock castle.