One of the smallest towns in the United States.

Home of controversial poet priest who penned the words for the Austrian national anthem used in the 1930s.

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

A pyramid in Central Europe of unknown origin.

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

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

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

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

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

"World machine" built by an untrained Austrian farmer.

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

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

Built to give thanks for the passing of a plague epidemic, this cathedral is a one-of-a-kind architectural hybrid.

The former private quarters and office of Dr. Sigmund Freud now hosts a museum housing the works of the founding father of psychoanalysis.

Artfully arranged bones of 5,800 Austrians.

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

Terrifically morbid cemetary and site of famous Paracelsus' grave.

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

A monument to the small town of master violin makers and its countless luthiers.

Visitors flock to the historic birthplace of radiobalneology for its therapeutic radium treatments.

An army of sleeping knights sculpted by a self-taught local artist beautifully depict an old Czech legend.

Tiny communists hammer away on the Olomouc Astronomical Clock.

The largest manmade caves in Europe now function as a motorbike club's headquarters.

Every part of this unusual home is built into the sandstone rock.