When a massive landslide hit one of the world's tallest dams it created a tragic environmental disaster.

An open-air museum in a mountain valley features works designed to blend in with—and disintegrate back into—their natural surroundings.

This Italian foot path winds through the mountains via 52 individual tunnels.

The remains of 50,000 World War I soldiers rest under a towering arch overlooking the Alpine battlefields.

The 1940s structure houses what was once Europe's largest telescope.

A modest museum in the final home of Italian poet and father of modern Italian, Francesco Petrarca.

This Roman statue is missing a limb from when the Venetians stole it from Constantinople during the Crusades.

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

One of the largest squares in Europe contains an entire artificial island.

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

A haunting collection of sunken wooden barges litters this Italian river bend.

This artistic temple brings together multiple architecture styles, but is only an example of one.

Destroyed numerous times, this centuries-old bridge has always been rebuilt with its original design.

A visionary Italian architect created an impressive cluster of concrete structures for a family's private tomb.