One man's little-known private clock museum hides inside a historic farmhouse, set amidst the Austrian countryside.

Bizarrely-painted church designed by a controversial artist.

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

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

Site of the 1889 murder-suicide of crown prince Rudolf and his lover Mary Vetsera.

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

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

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

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.

Fantastic stories on a miniature railroad.

Mozart's skull may be held in this collection, but definitive proof continues to elude scientists.

This skeleton-filled altar piece served as a backdrop to one of the most iconic scenes in "The Sound of Music."

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

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

The medieval network of canals hidden underneath the city is opened to explorers each year.

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

The personal charnel house of Anton Bruckner.

"World machine" built by an untrained Austrian farmer.

This series of underground chambers contains Europe's largest subterranean lake that is slowly drained each day.

The world's largest collection of intentionally useless inventions.

Visitors dip into a variety of pools of what was once ice.

Ride a dragon train into a world of dwarves.

An Austrian house of bones filled with hundreds of intricately painted skulls.