These paved rills bring freshwater into Altstadt and could spell wedding bells for whoever stumbles into the waters.

Now overgrown, these anti-tank barriers from World War II are sometimes called "dragon's teeth."

Built to test magnetically levitated elevators, the tower also boasts Germany's highest visitor platform.

This is not only one of the oldest collections in Europe, but also possibly the most beautiful.

A unique bridge with an equally unique view.

Walk inside a half mile long crevice right outside the town of Garmisch Partenkirchen.

The great Danube river starts here.

The fairy tale castle of the "fairy-tale king."

This medieval castle overlooking the Elzbach river looks just like it did hundreds of years ago.

Legendary site where an evil bishop was devoured by rodents.

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

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

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

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

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

Two standing giants remain as a tribute to Luxembourg's metallurgical past.

In memory of The Blur Building, the temporary exhibition pavilion of vaporous nothingness.

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

These spooky and unusual stone formations create an underworldly landscape.

This amazing pedestrian suspension bridge in the Swiss Alps would give Indiana Jones nightmares.

An auroral research program that superheats the ionosphere.

This lovely little bridge hidden in a Switzerland gorge is essentially a fairytale.

A network of ancient Egyptian tombs built into the cliff face along the Nile.

Brightly painted boulders scattered throughout the Sinai Desert.