Pilgrimage site for star-crossed lovers.

This winding road through an Italian canyon may be the most scenic drive in the world.

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

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

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.

This small, ancient Roman temple was once a church dedicated to the patron saint of penitents.

The final resting place of the poets Shelley and Keats.

The yawning maw of this pagan visage is said to bite off the hands of liars.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

Two very green residential towers cleaning the air in one of Europe's most polluted cities.

An ossuary built in 1210 to collect bones from the Ospedale Maggiore of Milan.

In the past, Renaissance sex workers were encouraged to entice customers on this bridge.

Two stone columns flank the grand Venice square, but there were supposed to be three.

These secluded and abandoned anti-aircraft defenses have become one the most scenic viewpoints in Barcelona.

Gaudí's famously flamboyant architectural style is on full display in this sprawling park and garden.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

The burning of this 12th-century church kicked off a campaign of Norwegian Black Metal terror.

A world-class theater sits hidden in this remote town in West Iceland.

This replica Viking village was created for a film that was never shot and is now open to visitors.

The most powerful waterfall in all of Europe.