The long-lost final resting place of an accused witch.

View the ancient remains of buildings and the ancient "River of Hades" before hopping on a train.

Mosques carved from coral and dozens of well-preserved stone structures fill this 500-year-old Swahili trading center.

Houses are tucked between, on, and underneath giant boulders.

One man's exploration of the human form, including the bizarre and delightful "Man Attacked by Babies."

This small Japanese street is lined with figures, sculptures and a shrine dedicated to frogs.

This once-booming Gold Rush town is now home to a herd of feral donkeys.

A museum dedicated to the mysterious cryptid.

According to legend, this structure was inspired by the Tower of Babel and built in a 19th-century industrialist's yard so he could walk his dogs without leaving home.

A small museum in a ward on the east side of Tokyo showcases the works of one of Japan's greatest ukiyo-e artists.

One of the best-preserved medieval streets in Europe.

One man has carved a number of natural New Mexico caves into psychedelic sandstone temples.

This bridge is so steep it looks like a rollercoaster.

Incredible miniature towns and buildings created and decorated with thousands of tiny rocks.

Colin Stokes "got a bit carried away" and built a castle that looks like something out of Tolkien.

An enormous, inside-out glass globe built in 1935.

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

The artist and his brother are buried in a landscape straight out of a van Gogh painting.

Once the extravagant escape of the Ford family, this enigmatic ruin now stands as a haunting reminder of its former glory.

The oldest hotel in the world has been operated by the same family for over 1,300 years, even catering to samurai.

Located in the world's highest-altitude Dark Sky Community, this observatory welcomes amateur and professional astronomers alike.

When the rain falls, this drain system turns into a musical instrument.

A Jenga-style cylindrical tower of books that appears to go on forever.

View one man's eccentric collection of nearly 5,000 corkscrews, then sip some Chablis.