An ancient Roman temple first dedicated to an emperor's wife is now a church.

The pristine waters crossing this forest form a hidden waterfall among the dense vegetation.

A fascist-era rural village abandoned since the early 1980s.

The mountaintop inspiration for Umberto Eco's "The Name of the Rose."

This clifftop arch is a natural stunner.

The bones of some 7,000 soldiers killed in the historic Battle of Solferino are stored here.

A climbing route in the mountains of Italy’s Dolomites, built for soldiers during World War I.

Stare out over the lagoon and beyond from this 10th-century campanile on the island where the city of Venice began.

Now an entertainment complex, the Lingotto building was once an avant-garde auto factory with a test track on the roof.

A beautifully well-preserved ancient Roman villa.

This cliff-face port is considered a masterpiece of mining engineering.

This serene, turquoise lake in an extraordinary nature reserve showcases a rare natural phenomenon.

This monastery built into a cliff hides a perfectly preserved hermit in a glass coffin.

This medieval hilltop village was abandoned at the end of the 19th century, after existing for more than 500 years.

This amazingly preserved Doric temple was abandoned before it was ever completed.

On the coast of Sardinia, a once-great mining village is finding new life as a coastal resort town.

A unique Tuscan hideaway acts as an art mecca as well as a hotel.

One of the highest mountain passes in Europe has been ranked among the best driving roads in the world.

Hidden within this iconic mountain are a set of World War II bunkers once used by German forces.

The oldest botanical garden in the world that technically isn't the oldest.

This overgrown mountain village has been abandoned for nearly a century.

A medieval fountain lined with 99 unique stone faces whose origins and meaning remain unknown.

This military mausoleum captures the solemn grandeur that most memorials only aspire to.

A brutalist gem towering over the heart of Milan.