A patriotic medieval knight in driven-nail armor raised money for widows and orphans of WWI.

"World machine" built by an untrained Austrian farmer.

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

American soldiers discovered Europe's best one-liner at the end of World War II.

Museum devoted to the artificial language of Esperanto.

The world's largest collection of intentionally useless inventions.

Ride a dragon train into a world of dwarves.

Vienna's underworld of tunnels and subterranean rivers made an iconic appearance in a 1949 Orson Welles film.

The largest ice cave in the world is thought to be the entrance to hell according to Austrian legend.

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

Terrifically morbid cemetary and site of famous Paracelsus' grave.

Op-art architecture designed for happiness.

Where beer lovers can literally immerse themselves in beer.

This cubist Vienna church building looks like some sort of alien stonehenge.

A spherical "micro-nation" in the heart of Vienna.

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

Swarovski's museum/theme park is a fake diamond fantasia overlooked by a giant.

This basement museum explores the art and artistry of fascism.

This small window display is dedicated to the noble carrot.

Housing the groundbreaking maps and globes of Gerard Mercator.

A little sculpture with a large wardrobe.

Climb inside an iron crystal magnified 165 billion times its normal size.

This collection of over 50 murals celebrates Brussels' rich history as the self-proclaimed home of the "comic strip."

This professional clown's home is an outsider art wonderland.