This magical-looking island is notorious for the misfortunes suffered by its owners.

This iconic Parisian bookstore doubles as the "Tumbleweed Hotel" for traveling writers.

A magnificent Neogothic tomb hides within this Italian fairytale-like forest.

Sitting on an Italian hilltop is this surreal fortress built by the mad inventor of electrohomeopathy.

This abandoned Brutalist treehouse is a hidden architectural relic.

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

An Italian crevasse filled with abandoned buildings gives visitors a look at the world without humans.

On rare days, this abandoned castle's gatekeepers open its doors, revealing the eye-popping splendor hidden inside.

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