The site where a plot to assassinate Hitler was planned—and its conspirators were executed—is now a powerful memorial to the German resistance during World War II.

It's always summer at the beach inside this former airship hangar.

The traditional Polish croissant, folded 81 times into the shape of a horseshoe, is a legally protected cultural treat.

This towering statue of Jesus provided internet to the surrounding area.

The site of one of the largest prison escapes of World War II.

Fantastic stories on a miniature railroad.

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

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

Double spiral staircases are not unheard of, but they are very rare.

Visiting this café is like visiting the Austrian grandma you wish you had.

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

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

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

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

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

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

Legends surround an ancient tree trunk riddled with nails for good luck.

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

This Austrian museum celebrates the work of famous forgers and their inimitable imitations.

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

This 16th-century cemetery became a recreational park during the Soviet occupation—today it's a little bit of both.

Art installations, derelict railcars, and endangered grasshoppers all call this south Berlin park home.

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

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