A pair of gigantic baby heads greet passengers at Atocha Station.

For decades, Puerta del Sol has been illuminated by a giant, guitar-wielding bottle of sherry.

A towering monument in Spain has proven to be more labor-intensive than initially planned.

Five million people are laid to rest here, more than the population of Madrid itself.

Just like in Hollywood, Madrid has also a forgotten walk of fame.

This sweet-toothed bear searching for snacks has been a symbol of Madrid for decades.

A stone slab in Madrid marks the point from which the distances of Spain's national roads are measured.

A lush indoor jungle fills this bustling Madrid transportation hub.

Commonly acknowledged as the only public monument to the Devil himself.

Madrid's romantically ornate crystal palace has been offering shelter to plants and art for over a century.

An ancient Egyptian temple in the middle of Madrid, Spain.

Constructed along the shores of Lake Zurich, this pavilion is a walk-through work of art.

This colossal couch is an unlikely monument to Europe's first female Doctor of Law.

Along the Rhine, about a mile from the historic Munster, learn the heartrending story of two lovers torn asunder, cast into unknown layers of time and space.

One of a series of no-purpose kinetic artworks by Swiss sculptor Jean Tinguely.

The bears of Bern have been a city highlight for over 500 years.

Vines grow up the metal bars in this public park created from an old machine factory.

Museum dedicated to wax representations of disfiguring diseases.

One hundred years ago this small house in downtown Zürich became the birthplace of the Dada movement.

This historic covered bridge contains a series of macabre paintings that communicate one thing: everyone dies.

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

This memorial commemorating fallen Swiss Guards of the French Revolution has been called the saddest stone in the world.

A bronze statue dating back as far as 1252, still has remnants of gold on its right cheek from ancient gilding.

Once a black market electronics marketplace, now an otaku shopper's paradise.