This Belgian palace was long the domain of priests and aristocrats but is now being turned into an art commune.

This historical Netherlands fortress still bears the marks of its single siege.

This highrise residential building looks mundane, but hides a water tower and WWII bunker.

Two gravestones clasp hands over the religious divide.

The castle still holds traces of the abandoned Roman fort it was built atop.

A century-old tradition has culminated in a small but singular collection of feline effigies.

This memorial to World War II's fallen airmen shows us the movements of the stars that once guided them.

Follow the original medieval paths that wind through this intriguing section of the city.

Most of Britain's gold reserve was secretly stashed here after the start of World War II.

Charles Dickens described the concert room in this amazing Victorian hall as "the most perfect room in the world."

For over 300 years this little carving has been the city’s good luck charm.

One of the most powerful religious centers in the Middle Ages, dubbed the founder of Western monasticism.

This winding road through an Italian canyon may be the most scenic drive in the world.

This Renaissance palace features a unique architectural design and is now home to the Ferrara National Art Gallery.

In the world's oldest university is a stunning 17th century anatomical theater carved from spruce.

Legend has it this fountain built to symbolize the Pope’s power hides a strange secret concerning Neptune's manliness.

Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

This centuries-old gothic monster has been converted into a sprawling, glossy bookstore.

Constructed during the 7th century this is one of the oldest largely intact Christian churches in England.

Legends surround this natural rock formation that looks like a Moorish king wearing a crown.

One of the shortest streets in York has an especially odd name.

Gutted during the Liverpool Blitz, this architectural husk has been left destroyed in honor of the dead.

An architectural oddity hides in plain sight on this iconic London bridge.

Single runway interrupted by a busy road that cuts across its middle.