A tower marking the spot where Yugoslavia began its resistance against the invading Nazis stands neglected, but not quite forgotten.

A pair of connected skyscrapers form this symbolic gateway.

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

Serbia's master of striking memorials erected a forgotten, hidden gem in the hills outside a tiny village.

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

Croatia's towering concrete blossom grows from the site of a World War II concentration camp.

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

Abstract monuments express sorrow and resilience at the site of a horrific massacre in Nazi-occupied Serbia.

A chain of 16 wondrous lakes formed as a result of the gradual dissolution of soluble layers of bedrock.

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

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

A terrific purveyor of natural history objects and curios.

A war-torn Olympic relic is being overtaken by graffiti and nature.

This brutalist monument is inscribed with 9921 names of Yugoslav partisans who perished during WWII.

Yugoslavia's biggest underground airport lies in ruins.

This massive concrete sculpture is said to be the heaviest communist monument on Earth.

This massive stone and steel monument remembers a century-old battle that cost thousands of lives and nearly destroyed the city.

An abandoned saucer-shaped monument in the Bulgarian mountains.

The bizarre visions of H.R. Giger, tucked away in a Swiss medieval city.

This museum preserves the hand-dug tunnel that kept Sarajevo afloat during the Serbian siege.

These warring psychedelic crags commemorate an unsuccessful military operation.

This stunning, out-of-the-way Croatian monument commemorates a community's uprising against occupying fascist forces.

Thousands of well-dressed mummies below a monastery.