An opulent monument built for a duke who donated his entire fortune to the city of Geneva.

An early masterpiece of Le Corbusier, a famed Modernist architect, hiding in plain sight.

One of the longest wooden benches in the world snakes around Geneva's Treille Promenade.

A rare, flower-shaped example of Brutalist architecture in Switzerland.

One of the most historical literary characters continues to stroll his hometown.

This stone in Lake Geneva was once the reference point used to determine altitude in Switzerland.

The world's largest second-hand graces a clock surrounded by constantly changing flower beds. 

This famous writer's tombstone is a literary pilgrimage site that was publicly defiled by a rival.

The de facto symbol of Copenhagen is this bronze fairytale which cannot seem to keep its head for very long.

The old observatory in Copenhagen has a spiral corridor used as a racetrack.

A crumbling ghost town with prime views of the dam that doomed it.

An ancient necropolis of magnificent tombs.

These ruins disappear beneath the waves every winter.

Breathtaking Byzantine paintings cover the inside of this 12th-century church.

The ancient mosaics here are considered among the finest in the world, and serve as a stunning record of Greco-Roman daily life.

A 1970s resort city now stands abandoned, caught in the middle of a divided island.

The animals wander freely amid this gorgeous stretch of nature.

This 700-year-old Cyprus castle is the birthplace of the world's oldest wine, said to be toasted by Richard the Lionheart at his wedding.

A magical museum of fairy tale treasures near Cyprus' buffer zone.

This former Cyprus flight hub is now a crumbling, abandoned ghost complex.

Once part of an ancient international harbor, it's now an all-you-can-eat shrimp buffet for flamingos and other water birds.

The ruins of a fairytale castle with a tumultuous history stand high atop the mountains.

This no man's land slicing through the island is strewn with abandoned relics of another time.

This foreboding medieval castle was twice besieged by barons rebelling against the English king.