The housing complex served as an anti-fascist fortress during the Austrian Civil War.

Op-art architecture designed for happiness.

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

Dine amidst exotic plants at this former royal greenhouse.

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

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

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

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

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

This former insane asylum now holds a pathological anatomy museum.