The Rozenberg wind wall in South Holland makes for smooth sailing through the Calandbrug canal.

These remarkable cascades are the jewels of Upper Tees.

Go inside a revolutionary, cage-less zoo where 35 species live and some of them roam free alongside their human visitors.

Once the local rulers had gone these enchanting ruins housed common folk in an almost real life fairy tale.

The castle was reconstructed to fit Kaiser Wilhelm II's romanticized vision of the Middle Ages.

A swath of France so devastated by war it is still forbidden to go there.

This striking fort on the Maginot Line looks just as it did after being destroyed in the Fall of France.

This proud Teutonic warrior rises out of a German forest heralding a victory and measuring lightning.

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

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

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

Construction of Barcelona’s iconic (but controversial) church was finally completed in 2026—a century after the death of its architect.

Bacteria and algae give the salty water its bubblegum hue.

The world's tallest bridge is also possibly the most elegant.

The last bastion of Roman presence north of the Alps looms over a German town.

This 600-year-old home seems to defy physics.

This long line of cement defensive wedges is named after the famous chocolate bar for obvious reasons.

A copy of the Statue of Liberty greets visitors to the birthplace of Auguste Bartholdi.

The world's largest boar is a huge steel titan found at a French rest stop.

The remains of 40,000 humans, meticulously stacked in a tiny churchyard shed.

This modern French ossuary contains the jumbled bones of 130,000 WWI soldiers.

Site of one of World War I's most horrific scenes.

A towering baroque basilica jutting out of the French countryside.

A grassy pyramid named after a French battle.