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

This Roman monument is surrounded by more recent construction, offering a stark contrast between ancient architecture and the modern urban landscape.

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

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

Once home to one of the oldest banks in the world, this building is also where Marco Polo's famous travelogue was written.

The city of Parma's cathedral is home to one of the greatest illusionistic frescoes of the Renaissance.

This amazing medieval fortress stands atop a promontory along the famous Cinque Terre.

A medieval wash house where people washed clothes in a river allegedly formed by the tears of a mourning nymph.

An unusual resting place built into the hill with an amazing view of Lake Como.

Next to the Leaning Tower of Pisa is a cemetery home to ancient sarcophagi and disturbing murals.

This cathedral hides a sculpted dog that determines your fate and an unexploded shell from World War II.

The top of society once luxuriated in this world-class hotel, which continues to impress, even in ruin.

This amazingly well-preserved villa just outside Pompeii boasts rare examples of ancient Roman paintings.

One of the most well-preserved castles in Italy also contains a rare medieval example of a port fortification.

A lover's walk between hilltop towns, decorated with graffiti love notes.

The world's most active stratovolcano is almost always erupting.

Five candy-colored villages on the Italian Riviera.

Historic fortifications form the boundary of Vatican City, but it’s not entirely surrounded by walls.

These enormous, stern-faced statues greet visitors with lanterns, and sometimes costumes.

This church also serves as a lighthouse complete with a beacon.

A monument to the one-armed geologist who led the first documented expeditions through the Grand Canyon.

These unique "earth pyramid" clay columns can be found in ravines around the village of Tirolo.

Bits of flat terrain surrounded by cliffs make one of the most beautiful landscapes in the Azores.

As the highest point in the Mid-Atlantic range this stratovolcano offers spectacular views.