A scale rocket of an Ariane 5 rocket serves as a monument to a pioneer of space science.

A set of beech hedges planted in the 19th century forms a tunnel that takes on a different appearance in every season.

The largest airborne operation in history was launched to capture this bridge.

Organisms normally seen under a microscope decorate this church.

Cycling around the Veluwe visitors are treated to a collection of stones from around the world.

A grassy pyramid named after a French battle.

The sweet story of how American cargo planes became known as "Candy Bombers" during the Berlin Blockade.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

Thousands of tourists and residents in Cologne affix "love padlocks" on the Hohenzollernbrücke Bridge to symbolize their affections.

Tiny castle in the middle of the Rhine made you pay to pass.

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

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

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.

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