The blood-soaked ruins of the castle where the murderous Blood Countess was walled in alive.

A perfectly preserved hill village where the buildings are painted like white lace.

Operating continuously since 1903, this "milestone" facility transformed the regional economy.

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

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

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

A misnamed well, with a deep dark past.

The bizarre rocks of Đavolja Varoš are the result of natural erosion.

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

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

Despite being pillaged and destroyed a number over times down the centuries, this historic church still sort of stands.

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

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

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

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

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

Structure built from the skulls of vanquished foes.

What once claimed to be the world's tallest single-family wooden structure house.

This historic system is the zero level benchmark for measuring the depths and altitudes of the Baltic.

A Russian museum dedicated to the household staple, the samovar.

A replica of the straw hut where Vladimir Lenin lived in hiding, disguised as a hay farmer, in 1917.

A magnificent, Disneyesque chateau built for 150 lucky kindergarteners.

A curated museum of wooden sculptures inhabits this Russian home.

An unusual collection of self-made musical instruments and unique noises.