Designed as a reminder of one of the darkest moments in Austrian history.

In the middle of a Vienna square, Roman ruins dating back some 2,000 years are on display.

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

A patriotic medieval knight in driven-nail armor raised money for widows and orphans of WWI.

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

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

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

Museum devoted to the artificial language of Esperanto.

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

The Habsburgs' royal collections of art and wonders.

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

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

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

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

Dine amidst exotic plants at this former royal greenhouse.

A spherical "micro-nation" in the heart of Vienna.

Handsomely crafted representations of our round planet.

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

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

A glimpse into the festive and private lives of medieval Europe.

This Armenian monastery was carved out of cliffs and named after the spear used to stab Jesus.

Home of the unusual art of water puppetry, one of Vietnam's oldest curiosities.

This demon atop the Notre-Dame de Paris looks utterly bored.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.