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

This fairytale castle was built as a show of power but was nearly torn down thanks to its history of torture.

Cozy basement bar sports an inventory of over 2,000 beers.

This ghost town in Belgium will lose its street art when it ceases to exist.

Part modern art project, part traditional chapel, this see-through church is only substantial from the right angle.

Lavish royal estate punctuated with heated greenhouses.

Each spring, a dreamlike carpet of bluebells overtakes the forest floor.

This strange statue features a bust of the famous composer plopped atop a woman's body.

Physicist’s epitaph provides final confirmation to a career of turmoil.

A pyramid in Central Europe of unknown origin.

This splendid tomb may look fantastic, but there's nothing in it...

Two nations form a rare four-sided border at the peak of a mountain, philosophical questions result.

German and American troops joined forces to defend this fortress during the strangest battle of World War II.

The site of Austria's biggest concentration camp now honors its victims.

Devilish masks, handicrafts, and pieces of old buildings create a snapshot of life in a historic Alpine region.

The medieval "dragon" on an Austrian city's coat-of-arms comes to life in a fountain.

Vienna's diversity-themed traffic lights were inspired by the Eurovision Song Contest.

Archduke Ferdinand II's collection of rare objects is considered one of the oldest museums in the world.

A small marionette collection located within the dark cellars of an 11th-century Austrian castle.

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

The world's most important buildings shrunk to a tiny size.

Part ski resort, part modern art space, this lodge brings giant metal spiders and bloody doors to the Austrian Alps.

This outsider art house has gone from clinical creation to astounding artwork.

The beautiful, ornate weather station is the most popular geocache in Salzburg.