This feat of Brutalist architecture is also known as the Three Sisters.

A 19th-century relic of timekeeping.

A 14th-century Serbian Orthodox church that was once converted into a mosque under the much-disfavored Ottoman Empire.

A UNESCO-protected spiritual seat of the Old Serbian Kingdom and Empire.

The most impressive of Basel's three remaining city gates.

Writers such as Paul Bowles, William Burroughs, and Samuel Beckett frequented this Tangier bookstore.

A monastery considered a state-protected cultural monument of exceptional importance, founded in the 14th century by Serbian King Stefan Dečanski.

A town that sets itself apart with supersized designer seating.

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

This metro station doubles as an unintentional paleontology museum.

This handsomely carved wooden church is more than 800 years old.

Take the most scenic fjord landscape in Norway and add dramatic red cliffs, warm clear water, and playful dolphins.

An unfinished Serbian Orthodox church with 1,389 golden crosses planned to represent the Battle of Kosovo.

A symbol of hope, survival, and national character, especially after it rose phoenix like from the flames.

One of Serbia's oldest luxury hotels and a nostalgic echo to Yugoslavia in the state's former capital.

Though this bridge was originally built in the 12th century, only one of its 10 arches dates back that far.

This ferry carries passengers across the Rhine propelled by no engine or paddles but by the river's current.

This stone in Lake Geneva was once the reference point used to determine altitude in Switzerland.

These abundant, over-the-top monuments are so widely scattered that they define the entire compact capital cityscape, often leading to jokes about whether there are more statues than residents.

An old spa town in the mountains of Romania where, according to legend, the great hero Hercules once bathed.

Eat the ultimate iteration of Portugal's most beloved pastry.

A pink sandstone column once used in ancient times to measure one's belly after a night of debauchery.

A haven for book enthusiasts across the street from Retiro Park.

A masterpiece of Rationalist architecture in the center of Madrid with lizards on it.