A formerly opulent Italian village is now a crumbling ghost town that no one really knows what to do with.

The astonishing collection of an infamous criminologist.

Eco-village hidden in the foothills of the Alps that created a massive system of psychedelic underground temples.

A madman's personal garden filled with 1,000 sculpted heads.

An eerie, derelict amusement park in Berlin.

A pair of connected skyscrapers form this symbolic gateway.

This feat of Brutalist architecture is also known as the Three Sisters.

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.

Budapest's Communist-era statues, banished to the suburbs.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

A 400-year-old mummified arm dangles from the ceiling of St. James the Greater, serving as a warning to thieves.

A strange rock with a sinister reputation lurks within the crimson waters of this Scottish glen.