From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

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

Nine caves filled with recently-discovered archaeological finds under the houses and the streets of the most ancient district of an old town.

The sacristy of this church contains remains and relics of members of the Aragonese royal family.

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

This uncanny fresco celebrating the "triumph of death" was split into four pieces to be moved to another museum.

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

If you ever wanted to touch a medieval mercenary’s three testicles, look no further.

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

A special area of the National Archaeological Museum of Naples is located inside a metro station.

A galley-shaped memorial to the prisoners of an infamous fortress.

One of the tallest bell towers in Italy plays a particular melody at just two times each day.

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

This network of roads is one of the most unique Etruscan creations ever discovered.

Something's missing between the arcades of the Palazzo della Ragione in "the city of the three withouts."

One of the earliest relics of Italian art is this ornately equipped stone soldier.

Before it was buried by volcanic ash, this fast-food restaurant fed the hungry hordes of ancient Rome.

The remains of this 2nd-century Roman temple are incorporated into a modern building.

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

This medieval city gate is now a blend of the past and the modern world.

What appears to be an ancient Roman temple is actually a Catholic church.

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