A full figure 4th century incorruptible saint lies in a glass coffin in Croatia.

The bones of this aquatic dinosaur turned to opal over the centuries and the beast's remains were almost sold as jewelry.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

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.

Come for the flowers, stay for the bats!

Brisbane's manmade urban beach has enough water to fill five Olympic-sized swimming pools.

Started nearly 100 years ago, this science experiment just keeps on going, ever so slowly.

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

This tri-part waterfall is a little bit of fairytale beauty in the heart of Luxembourg's Little Switzerland.

This Luxembourg cave is covered in cryptic looking marks left by mining activity.

This noble mash-up in eastern Luxembourg is part Medieval, part Renaissance, all castle.

An expansive complex of subterranean tunnels is all that remains of one of Europe's most formidable medieval fortresses.

The birthplace of Karl Marx is now a museum dedicated to the communist revolutionary's life and work.

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

Explore this medieval cathedral by trying to spot all the malevolent monsters hiding in its beautifully colored windows.

There has been an astronomical clock on this spot since the 14th century.

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

This medieval cathedral houses stained-glass windows featuring saints and pretzels.

Enter the cabin of a life-sized Hindenburg replica.

This colossal war machine is now a living museum dedicated to underwater warfare.

This striking observation tower shaped like a spinnaker sail is the newest icon in historic Portsmouth.

Hauled from the water's depths, Henry VIII's flagship is preserved in this capsule-shaped museum.

A plaque marks the humble origins of an artistic muse who embodied the ideals of Pre-Raphaelite beauty.