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

This massive monument was unveiled the day Kosovo declared independence from Serbia.

A futuristic, brutalist masterpiece that is also strangely prison-like.

A tragic legacy of the attempt to beautify Skopje and line the pockets of corrupt politicians

A Brutalist architectural gem hidden among Skopje’s neoclassical buildings.

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.

In the hometown of the Catholic saint and Nobel Peace Prize winner, a memorial dedicated to her legacy.

This fortress dates back to the 6th century and is also the site of a controversial abandoned restoration project.

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

A bike traffic circle showcasing the works of local graffiti artists.

A first-of-its-kind circular bridge for cyclists.

Inspired by "The Starry Night" this Dutch bike path turns into a glowing work of art each night.

This fantastical faceless sculpture in Spain is on the grandest scale.

The Museum of the Forum of Caesar Augusta showcases the city's ancient Roman sewage system.

This 11th-century fortress is now the seat of Aragon’s state legislature.

A statue of a boy looks up at where the famous rival to the Leaning Tower of Pisa once stood.

The world's largest sundial can cast a shadow more than 1,600 feet long.

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

The final resting place of the great navigator, or maybe his brother.

A curious carving hides on a marble column in the Mosque-Cathedral of Córdoba.

Spain's unique Mosque-Cathedral has been a place of worship for both Muslims and Christians throughout its history.

This unassuming chapel in Portugal plays host to a ghoulish collection of bones.

The extravagance of Portugal’s "Pink Palace" resulted in a noble title being awarded to its owner.

This small chapel is built of human bones and decorated with a golden skeleton.