One of the tallest lighthouses in the world also serves as a monument to the fallen of World War I.

Its look is severe, but its location, isolated on a hill in the middle of the countryside, is particularly scenic.

This caldera was once associated with the Etruscan god of the underworld.

A memorial to Brazil's little-known role in World War II.

A network of underground water channels that dates back to the Middle Ages.

Although their purpose is unknown, these ancient Roman supporting arches showcase Hellenistic ingenuity.

Since the 1960s, this small village has invited painters to decorate its walls.

Inside this park resides a giant clock tower and ancient sundial that overlook the town below.

A small thermal park among the mountains of Southern Italy features a surprising piece of modern art.

A wild annual race in Sardinia re-enacts Constantine's victory in Rome.

This crescent-shaped beach is said to glow under the light of a full moon.

When occupying Nazi troops detonated a mine below, medieval frescoes were revealed in this small cliff-side hermitage.

This mysterious ancient arch is hidden in the forest of Simbruini Mountains Regional Park.

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

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

An abandoned monastery sits on a far-off island in the Adriatic Sea.

Though an earthquake destroyed this village in 1980, one former resident still walks its streets every day.

Once an ancient Roman bath, now a hotbed of geothermal energy and a hub for energetic innovations.

A town saturated in Italian rationalist architecture was once marshland drained by Mussolini.

Famous landmarks and structures from across Italy fill this miniature park.

According to the legend, this structure was built in a single night with the help of the devil.

An eerie gravel road full of shards of red bricks leads to the ruins of a deserted factory.

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

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