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

Destroyed Serbian army headquarters sits half crumbled in a largely revitalized Belgrade.

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

A pair of connected skyscrapers form this symbolic gateway.

The iconic boulevard is the perfect place to catch sight of a bicycling skeleton, a levitating Satan, or a chef with his head stuck in a pizza.

This spaceship-like Serbian monument reaches for the stars in celebration of the fallen fighters of fascism.

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

Nikola Tesla's ashes are held in a golden sphere, surrounded by his works.

Structure built from the skulls of vanquished foes.

Construction of Barcelona's iconic (but controversial) church is expected to be completed in 2026—a century after the death of its architect.

This abandoned Slovenian military barracks has become a punky-political art squat.

A whimsical bridge adorned with decorative dragons.

The eerie burnt-out remains of a prominent building where 30 protestors lost their lives.

Featured in one of the most iconic scenes in cinema history.

This exquisite, alienesque piece of Soviet architecture is being threatened by modern shopping malls.

Kyiv's answer to Muscle Beach is a Soviet-era gym made from scrap metal.

This underground transport hub doubles as an art gallery.

The spectacular Roshen Fountain show lights up the night sky all summer long, until it "hibernates" under the ice waiting for spring to come.

This oddly shaped building is a surprising Soviet-era crematorium.

The haunting complex honors the millions of Ukrainians who died in the forced famine under Soviet rule.

A quirky collection flush with information on commode culture from ancient times to modern day.

The biblical sculpture honors those who lost their lives, homes and communities to the Chernobyl disaster.

Welcome to the world's only museum dedicated to the Ukranian Easter egg.

An Art Nouveau building covered in animal gargoyles and grotesques.