A Swiss man built this airstrip for aliens because a UFO captain telepathically told him to.

One family's mission to exemplify sustainability took on a whole new life as a surprisingly beautiful home.

Mysterious and ancient carved standing stones.

The most southern point you can drive to in the Western Hemisphere.

A brightly colored natural bridge formed by mineral-rich hot springs high up in the Andes.

Visit this odd display of indigenous style in Argentine wine country.

Mineral springs believed to hold therapeutic properties draw in visitors from all over.

This giant power line tower is a robot that can express its moods in neon.

Massive rock sculptures formed during the time of the dinosaurs still stand undisturbed.

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

This "mathematical tower" was an observatory, early skyscraper, and place to reflect on all of nature and the cosmos.

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

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

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

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

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

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

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

The amazing wonder cabinets of a very rich Austrian archbishop.

A silly medieval mural preserved on the side of a Viennese house.

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

An exquisite Baroque church in Vienna's old town.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

"World machine" built by an untrained Austrian farmer.