Over 100 towers were built in Bologna during the Middle Ages, but only 22 survive.

An ancient theatre in the "little Rome of the Alps."

Dublin's most modern, visually spectacular bridge is modeled after Ireland's national emblem.

Despite the name, this 16th-century structure in Galway wasn't built by the Spanish.

Also known as Uncle Karl, the beloved bronze copper keeps a watchful eye on St. Stephen’s Basilica while people rub his lucky belly.

This black sand beach was crafted from volcanic explosions including the historic Minoan eruption.

The Greek island's old British cemetery feels like a forgotten garden.

A unique bridge with an equally unique view.

A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

From Ancient Rome to WWII, Neupfarrplatz has over 2,000 years of history underneath its main square.

A thought-provoking outdoor art installation sits in the seat of German law.

It's good luck to be mocked by this monkey.

Every year, the town of Menton, France, turns lemons and oranges into giant sculptures depicting windmills, dragons, and more.

This statue stands in honor of Antoine de Saint-Exupéry, the French author of 'The Little Prince' and an aviation hero.

The lost Latin words were reconstructed using the holes from the nails that once pinned them in place.

This saucy statue once caused outrage among locals.

This plaza is home to a number of works, including Montpellier‘s own Arc de Triomphe.

A fortified palace in the shape of a ship on the Thiou river.

What if all public housing projects had been designed by "the Pygmalion of modern architecture," not only their prototype?

Shop at the 200-year-old store where Julia Child stocked up on copper cookware.

Lyon, France is home to two remarkably preserved Roman theaters, one dating back to 15 BCE.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

This island castle now hosts a world-famous opera festival.

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