Skulls and skeletons are omnipresent in this church dedicated to souls trapped in purgatory.

The skulls and bones of thousands of soldiers line the walls of this small Italian chapel.

A museum that chronicles the history of the Nuremberg Trials for Nazi war criminals in the building where the trials were once held.

The bronze uniforms commemorate the vital role of women during World War II.

The last two abbots of this monastery were both executed by Henry VIII.

A 14th-century abbey founded by a forest-loving order of monks now sits in the center of a pristine nature preserve.

Believed to be the site where St. Drostan performed baptisms.

No shoes allowed on this trail, which is designed to be experienced barefoot.

Step back in time on this preserved 1800s farm.

One man’s religious convictions led him to build this stone castle meant to withstand an apocalypse.

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

An early life spent in this "Old Kentucky Home" inspired the writings of North Carolina's most famous novelist.

Railroad came. People came. Railroad left. Town died.

This chicken coop pays homage to a classic architectural style made famous throughout the southern United States.

A cabin completely covered in coffee mugs, where visitors are welcome to leave one of their own—if they can find an empty nail.

A former Oz-themed attraction that has fallen into disrepair, but still holds some of the original magic.

The birthplace of Appalachia's only first lady, who some have dubbed the United States' "first female president."

This maze-like slot canyon is a unique gem within an already fascinating geological area.