A place steeped in history that may be best known as the set of a 1960 film.

The blowhole bursts spectacularly right next to the buildings in a medieval seaside town.

This 47-story "M" needed 20 years to be completed

This small Spanish village still pays homage to the Spaghetti Western films that were shot there in the 1960s.

Single runway interrupted by a busy road that cuts across its middle.

Spain's largest bullring offers a unique glimpse at architecture and history.

A 16th century chapel decorated with bones, skulls, and entire bodies hanging from the wall.

The stunning interior of this Gothic church is covered in ornate gold details.

A hidden three-foot-wide house separates these two regal churches.

Op-art architecture designed for happiness.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

A Trabant car, a kangaroo statue, and a plethora of plants take over this abandoned-factory-turned-bar.

The metal leaves on this tree are engraved with the names of Holocaust victims.

A highly-criticized monument in Budapest has become the site of a makeshift Holocaust memorial.

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Built in 1870 at the bridge that connected Buda and Pest, this spectacular incline railway was almost lost forever during World War II.

Budapest's Communist-era statues, banished to the suburbs.

An Albanian monument to the Communism that nearly crushed the country is now a crumbling wreck.

In the heart of Tirana, this underground nuclear bunker has been transformed into a museum.

A museum dedicated to secret surveillance.

What happens when you cross a mayor and a painter?