A fountain standing as a testament to a doomed alliance.

Kuwait City's uniquely designed water towers look straight out of a retro sci-fi cityscape.

A meow-velous tribute to a beloved street cat, made famous on the internet.

An abused and forgotten metropolis, abandoned for centuries.

Remnants of successive wars and Muslim colonialism in the 11th century.

One of the newest mosques in a city filled with thousands.

This museum was invented in a novel before being made real by the author.

Underneath this Byzantinian church lies a necropolis filled with ancient tombs and the ruins of previous churches.

Sofia's legislative center is continuously reinventing itself.

A vast Communist-era exhibition space in the Bulgarian capital.

This building has two facades of clashing architectural designs.

A striking symbol of the Bulgarian capital.

A gigantic statue of a Russian soldier watches over the ancient city of Plovdiv, a prominent reminder of the Soviet period in Bulgaria.

This ancient theater, restored in the 20th century, lives on as a venue for dramatic and musical performances.

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

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.

See how paper is made the old-fashioned way.

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

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

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

A 11-foot former president stands on a Kosovo street that also bears his name.

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

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

This lonely minaret with an unusual decorative symbol is all that remains of a historic Ottoman mosque.