Milan's duomo is covered in beautiful carving including a curious "dinosaur-like" beast.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

"Holy Wisdom" overlooks the city that became its namesake.

A striking symbol of the Bulgarian capital.

Underneath this Byzantinian church lies a necropolis filled with ancient tombs and the ruins of previous churches.

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

This monumental fountain has moved around the city multiple times.

Suffocating dogs was a common spectacle in the fumes of this noxious cave.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

A massive sculpture of an obscure Celtic coin that has become a symbol in Slovakia.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

This giant middle finger statue sends an unambiguous message to Italy's bankers.

A narrow opening between the mountains of the Amalfi Coast creates a scenic hidden beach.

This Neapolitan exhibition hall grants weird and wonderful insight into the intricacies of human biology.

Every day is like Christmas on this street where the traditional Neapolitan nativity scene comes to life.

Dug as a secret royal escape route, the tunnel became a wartime bomb shelter and dumping ground for vintage cars.

These "anatomical machines" are only one of the many strange items in this Italian crypt.

Journey through a bit of nostalgia inside this classic record and video store.