The bones of the Biblical Magi traveled to Constantinople and Milan before landing in their current home inside an elaborate golden reliquary in the Cologne Cathedral.

The largest bell in the world has been swinging high above a Cologne cathedral for almost a century.

This 19th-century fountain features sculptures of little gnomes that help with chores.

Twisted buildings adorn the banks of the Rhine river.

This futuristic German television spire is actually the world's largest digital clock.

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

This 600-year-old home seems to defy physics.

This 12th-century castle majestically overlooks the city and the beautiful Mosel River valley.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

A swath of France so devastated by war it is still forbidden to go there.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

Located in a heritage building, this Mickey D's is missing its Golden Arches.

This grisly effigy displays an early Christian martyr who was skinned alive and beheaded.

Third time's a charm, or in this case, two testicles are.

Pilgrimage site for star-crossed lovers.

A small window on Via Piella offers a lovely and rare peek at Bologna's lost canals.

Stuck in the arcade of Casa Isolani are three arrows of mysterious origins.

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

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

A large statue of Pope Gregory XIII in Bologna was disguised as Saint Petronius to avoid destruction.

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

An incredible mosaic-lined monument said to have held the remains of an ancient Roman empress.

This 6th-century church has the largest and best-preserved collection of Byzantine mosaics outside Constantinople.