This watchtower once presided over the Berlin Wall.

Volkswagen's dedicated museum dives into the complex history of one of the world's best known cars.

The most elaborate of 12 medieval arched doorways to the old city of Burgos.

The remains of the medieval wall that once surrounded Paris with ties to the construction of the Louvre.

A trompe l'oeil mural remembers the original colonial building that once stood here.

The castle was reconstructed to fit Kaiser Wilhelm II's romanticized vision of the Middle Ages.

Some believe that the artist behind this whimsical statue inserted his own likeness as a way to discreetly flip the bird.

The medieval "Bearded Man" relief still serves as a clever flood warning marker.

The Spanish king's private bathroom embraced the idea of a porcelain throne.

Once designed as the entrance to Buckingham Palace, this structure was later relocated and stands as a victory arch.

This park built on a former fortress has a reputation for romance.

How did a lighthouse wind up in the middle of this landlocked German city?

This gateway to subterranean Hanover plays jazz, pop and rock to surprised passersby.

Executions were once held near this beautiful 18th-century fountain.

A whimsical brother of the nearby Fallen Angel statue takes the falling part quite literally.

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

Artist Natividad Sánchez wrote a new ending for one of Roman mythology's tragic love stories.

Inscribed on the gate are the names of 29 figures from the University's first five centuries.

A statue commemorating a beloved stray dog who was adopted by the entire neighborhood where he lived.

This "Atomic Egg" appears on the city of Garching's coat of arms.

A funerary monument for two brothers who served in the Roman cavalry.

These unique "earth pyramid" clay columns can be found in ravines around the village of Tirolo.

On the walking path from Monterosso to Vernazza, a small shrine dedicated to feline friends.

Residing along a busy thoroughfare, this sculpture urges passersby to consider the future.