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

A misnamed well, with a deep dark past.

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

Religious perseverance and cultural coexistence manifest in an architectural gem that multiple wars couldn't topple.

A Serbian church lit by chandeliers made of weapons.

A pair of connected skyscrapers form this symbolic gateway.

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.

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

Structure built from the skulls of vanquished foes.

A sinuous path among steep cliffs creates a stunning sight in southwestern Serbia.

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

This 14th century castle withstood years of battle but is now sliding off the hills into the Danube.

Is it an island or a volcano? That question probably explains why it's uninhabited.

An early-20th-century "dacha" village of quaint cottages curiously located in a modern part of Moscow.

A magnificent, Disneyesque chateau built for 150 lucky kindergarteners.

Mostly underground in the old days Back in the USSR, today the Beatles beckon to tourists from a wall sculpture out in the open in central Russia.

The largest Buddhist city in Europe is a haven for chess fanatics.

This late-brutalist masterpiece everyone forgot about was originally created to get the proletariat jazzed about the arts.

A curated museum of wooden sculptures inhabits this Russian home.

A tiny park off the beaten path covered in ingenious scrap metal sculptures.

The composer did some of his finest work in this country home, including "The Nutcracker."

The California secessionist movement has its own foreign embassy, in Russia of all places.

300-year-old villagers houses and traditional churches preserve a nearly lost piece of Russian history.