A medieval castle in the middle of rural Texas.

A health museum containing a 27’’½-foot intestine.

A Manhattan Episcopal church with an eerie underground crypt.

A hip bar decorated with walls of golden skulls.

This lower Manhattan bar is set up in an old bank vault that rests beneath a skyscraper that hides even more historic splendor.

Tucked in the back of this amazing antique store is an important piece of medical history.

An ancient Viking village in North America that predates Columbus by 500 years.

Despite centuries of architectural innovation, this French castle is being built like it's the 13th century.

An enchanting work of outsider art, full of whimsical sculptures and carvings.

A self-built mosaic house and sculpture park.

Romania's "Red Ravine" is a little-known natural wonder that bears a resemblance to the Grand Canyon.

The quaint little store that is said to have inspired a famous Dickens novel was only given its name after the book was released.

This London pub hides a peculiar secret: a recreation of the rooms shared at 221b Baker Street by Sherlock Holmes and Dr. Watson.

A local tree surgeon has created a whimsical walk full of carved tree stumps near Scotland's Loch Lomond.

This enchanting hill is home to fairy lore and a sinister local mystery.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

The second-largest cave chamber in the world was discovered in 1898 by a 16-year-old and a friend known as "Pothead."

A historic house left in "dramatic still life."