Structure built from the skulls of vanquished foes.

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

An abandoned monument remembering the "Pančevo Holocaust" now stands as a shadow of its former self.

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

Curious carved stones and bird-like wings are a symbol of Serbian resilience and freedom on the site of a WWII massacre.

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

Built as an anti-fascist tribute, this surreal Yugoslav memorial became an unwelcome symbol after the Croatian war for independence.

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

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

This huge metal monument is slowly being stripped to its concrete skeleton.

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

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.

Rome's semi-secret peephole vista is also a former Crusader stronghold.

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

This railway-turned-greenway provides a pedestrian link in downtown Detroit and celebrates urban artwork.

This sprawling bookstore spans four floors and has more than a million books in stock.

Offbeat arts organization that hosts exhibitions, events, and explorations.

These enduring murals depicting a distinctly Marxist tribute to capitalism could not even be defeated by McCarthyism.

The unbelievably opulent home built for an infamous newspaperman.

This historic building housed the surviving crew members of the Titanic, who were left destitute after the wreck.

A notorious punk house turned co-op.

This quirky UFO-shaped curiosity is often mistaken for the airport’s control tower.

Try not to get slimed in Tribeca.