This community on a small Venetian island has taken to painting their houses in bright neon hues.

An ancient ossuary in Rouen.

A French museum of wrought iron.

Each year melting snow turns these Austrian hiking trails into scuba zones.

"World machine" built by an untrained Austrian farmer.

A centuries old castle atop a dormant volcano houses museums devoted to both women and witches.

The shell of a medieval fortress offers commanding views of the area it once protected.

Bizarrely-painted church designed by a controversial artist.

Austria's ultra-modern art museum looks like Cthulhu's giant alien heart.

Resting in the middle of an Austrian river, this sci-fi "island" lets people cross in neon style.

Fantastic stories on a miniature railroad.

Double spiral staircases are not unheard of, but they are very rare.

The world's largest historic armory was established by independent citizens to defend themselves from the wars of larger forces.

An Italian hillside ghost town.