The “Sistine Chapel” of the Middle Ages merges 11th-century science and religion in wondrous hues.

Hidden in a high mountain cave, this hermitage dates back to the ninth century.

The Bourbon royal family had this unique octagonal hunting "cottage" built on a tiny islet in Lake Fusaro.

A former Roman town that was once the home of Scipio Africanus.

A massive bridge forms part of an aqueduct that was deemed an architectural wonder of its time.

This medieval Italian town is a sheer (and beautiful) cliffside defense.

During World War II, the Shroud of Turin was secreted to this remote southern Italian complex.

The construction of a new church near Venosa was started in the 11th century, but never finished.

Geometry and mystery come together in an epic show of octagonal masonry.

Three underground crypts and a pointed arch under the bell tower make this cathedral unique among Romanesque churches.

This statue honors one of Budapest's most beloved literary characters.

A spiritual sanctuary in a natural cave.

The largest Canadian war cemetery in Italy commemorates those who died in one of the bloodiest battles of the Italian campaign during World War II.

The relics of one of Jesus' 12 apostles are enshrined in this Italian Basilica.

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

This 2,000-year-old Doric bridge is still open to pedestrian traffic to this day.

One Italian taxi driver covered his entire house in small seashells creating a weird bit of architecture that is preserved to this day.

A haunting mosaic marks the spot where a famous poet's father was murdered more than 150 years ago.

This Renaissance square was at the center of Leonardo da Vinci's map, the first ichnographic ever.

Also known as "Hell Alley," this tiny street in Imola gained its name in a bloody episode in the 16th-century.

An intact, still operating pharmacy from the 18th-century filled with numerous artifacts and paintings.

Everyday, fans from across the globe visit the statue of one of the greatest Formula One drivers in history.

Turtles swim in a pond surrounding a classical temple in this lush park in Vicenza.

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