This insurance company building reminds customers that witches, bears, and gnomes are out there, best be insured.

A replica of the home of a famous fictional troll family.

An abstract monument to a symphonic composer.

This irregularly shaped sea fortress has defended not one but three different sovereign states.

This endearingly discomfited urinating statue commemorates the sneaky pees had by us all.

This fantastical icy castle is built anew every winter.

Architecturally stunning library serves as the hub of Finnish scholarly life and culture.

A subterranean house of worship carved right out of the bedrock.

A completely underground tour following the path of the most precious element: water.

Time has been frozen at this station since the bombing in 1980—or so it was believed.

A striking memorial recalls thousands of Bolognese men and women killed fighting fascists in World War II.

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

Not far from the more famous House of Juliet, visitors will find the supposed residence of her lover.

Built on a medieval synagogue, this church has a burial crypt, tunnel system, and Jewish ritual bath hiding deep underneath.

The city of Parma's cathedral is home to one of the greatest illusionistic frescoes of the Renaissance.

This building features dozens of faces along its facade, although one is a bit chilling.

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

The remains of an ancient Roman city are hidden underneath Bologna's beautiful public library.

A diverse collection of wax, bone, papier-maché and mummified relics.

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

It’s said this crypt was the setting for the tragic finale of the Shakespeare play.

Italian poet Dante Alighieri is entombed in this small mausoleum in Ravenna, and his hometown of Florence has never been too happy about it.

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

The mummified relic of St. Catherine sits forever on a golden throne.