A fortified palace in the shape of a ship on the Thiou river.

A suspended footbridge allows for traversing this gorge carved through the French Alps.

This stunning natural double arch, the largest in the Alps, went undiscovered until 2005.

Dedicated to the man who saved hundreds of children from Nazi-occupied Czechoslovakia.

The soulless eyes of 82 bronze children stare on forever in remembrance of a horrifying World War II massacre.

This village in Bohemian Switzerland hosts more than 300 wood carvings inspired by fairytales, folklore, and other oddities, as well as a series of Communist-era tanks

Europe's largest natural bridge has a 19th century royal chateau built into its side.

Towering sandstone rock formations where 'The Chronicles of Narnia' was filmed.

Bohemian paradise covered in majestic forests.

A Jenga-style cylindrical tower of books that appears to go on forever.

An extensive network of secret tunnels was created for the Nazi project "Riese."

A mysterious structure left behind on the Polish mountainside, sometimes called "Hitler's Stonehenge".

Where visitors can play more than 150 retro arcade games.

A collection of modern and vintage pinball machines housed in the cellar of a 15th-century building.

Learn the fine art of making a centuries-old treat at this hands-on food museum.

At first glance, this area seems like just another city park, but the lush landscape hides a dark past.

This centuries-old wooden wonder was built in less than a year and is one of Europe's largest timber-framed churches.

The Bloemen Route, or “Flower Route”, stretches 25 miles through prime Dutch tulip country as a result of “tulip mania,” the world’s first economic bubble.

A symbol of friendship between the mountainous regions of Switzerland and Bhutan.

Massive puppet-automaton machines created by French artist collective Machines de l’Ile.

The famous winding walk at Chartres is surrounded in mystery and myth.

Ivy-covered Medieval tunnels cut through this charming town in France's Loire Valley.

This historic island prison holds one of the dungeons from the Count of Monte Cristo even though it is a work of fiction.

This statue honors the thousands of Allied avians that served and died for France during World War I.