It has an American Dream Car exhibit, Europe's largest Formula One collection, and many, many mannequins.

The mystery of the Putim Ossuary involves a tricorn hat.

Bohemian paradise covered in majestic forests.

This former quarry is now a picturesque gorge that hides a sunken lake.

A remarkable two-country morph, this town is part of Germany legally but is by all other measures Swiss.

This ancient ruined monastery has been destroyed by fire so many times that it seems like God hates it.

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

A stonemason's hilarious revenge came in the form of this peculiarly positioned gargoyle.

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

This Late Gothic building that once housed Erasmus is now known as the filming location of "Suspiria."

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

The great Danube river starts here.

This short bridge is the only thing connecting a tiny Irish island to the mainland.

Northern Ireland's Brobdingnagian stepping stones.

This World War II relic let Allied pilots know they were entering neutral airspace.

Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

Certain traditions prevail on the least-visited island of the Aran Islands.

The ruins of a sixth-century monastery sit on the banks of the River Shannon.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

An amazing collection of curiosities hidden in a small Welsh village.

Go deep down into the earth to experience the world of Welsh coal miners.

The sculpture is made of more than 100,000 knives collected to raise awareness about violence.

A prison with a more than 200-year history.