Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

According to the local legend, these boys and ducks were turned to stone by an angered water goblin.

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

One of the most notable figures in the Wurstelprater’s history is often assumed to be a fictional character.

A spherical "micro-nation" in the heart of Vienna.

A pair of connected skyscrapers form this symbolic gateway.

Considered an architectural abomination by some, this metal-clad building is known as 'little red riding hood' by locals.

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

This ice cream parlor serves scoops of flavors like rakia, medlar, and poppy seed.

Different sections of the Zemun Fortress were built in the 14th and 15th century as a response to the advance of the Ottoman Empire.

A museum dedicated to the former country.

Arguably Belgrade's only example of pure Art Deco architecture.

This historical village takes you back to the 19th century.

Through the colossal entrance to this cave you'll find limestone tubs and an underground waterfall.

For over 40 years, this quaint little house has teetered on a rock in the middle of a river.

An idyllic traditional timber village on a picturesque hill was built for a film.

A grand Yugoslav memorial to the group of partisans who fought and died resisting western Serbia’s Nazi occupation.

This symbol of Yugoslav liberation decorated with 620 carved heads of mythical creatures is now a forlorn relic of another time.

This memorial park stands on the site of one of the largest mass executions of the Second World War.

Structure built from the skulls of vanquished foes.

A Red Cross memorial museum at the site of the Niš concentration camp that operated for four eventful years during World War II.

Instead of sermons, this church became home to millions of books.

Throughout this shopping mall are medieval ruins that were discovered during the mall's construction.

A Jenga-style cylindrical tower of books that appears to go on forever.