The house that took a plunge into the facade of a museum.

A pyramid in Central Europe of unknown origin.

A three-shelf library serves as a memorial in the Jewish cemetery of Krems.

The first modernist church in Europe.

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

Amidst medieval and baroque buildings, five human-sized gherkins stand tall.

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

This grand manse has been transformed into a museum devoted to one of the founders of Fantastic Realism.

"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.

On a winding Vienna side street, one museum has turned their windows into a monument to history’s peace-minded heroes.

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

The world's largest collection of intentionally useless inventions.

Ugly 18th-century dwarf statues living in a perfectly landscaped Austrian garden.

This series of Baroque passageways in Vienna's cultural center mix old architecture with modern art.

The solemn exterior conceals an opulent interior of this 17th century church.

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

A neo-Gothic mansion now houses a wunderkammer of analog tech that hits on all the senses.

A neo-Gothic church built to thank God for saving the Emperor of Austria from an assassination.

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

Baroque celebration of the end of the Great Plague of Vienna.

The resting place for anonymous victims of the Danube's dark waters.

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

Op-art architecture designed for happiness.