One of the largest museums in Ukraine remembers the story of the German-Soviet War in iconic, brutalist style.

An Art Nouveau building covered in animal gargoyles and grotesques.

340-foot statue built to honour the Heroes of the Soviet Union.

A reconstructed medieval gateway that was the magnificent entrance to the capital city dating back to 1037.

This little sun pays homage to a massive gate that once stood at this location.

Nicknamed the "Spirit of Paul Klee," this colorful apartment building features an array of multicolored panels.

Dedicated to a young woman who broke gender barriers at the University of Madrid.

This unassuming bookstore in the heart of Madrid is one of the oldest in Spain.

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.

This postmodern apartment block was designed to be a vertical neighborhood.

The remains of the second-oldest zoo in Europe can be seen within these library gardens.

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.

Earth's rocky history has rarely glittered so brightly as it does in this Spanish museum.

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

Over two centuries old and counting, Madrid's massive botanical garden contains one of Europe's only desert environments.

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

Abandoned for decades, trains still pass through the now-restored remains of one of Madrid's first metro stations.

A lush indoor jungle fills this bustling Madrid transportation hub.

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

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

A Soviet era flat that refused to conform to the dull gray standards.

Krakow's own version of the Hollywood Walk of Fame.