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

Along the edge of this fountain are 365 smaller fountains that represent the days of the year.

A rooftop restaurant hides in plain sight atop Vienna's Palace of Justice.

A mechanical clock built in 1914, with a rotation of 12 historical figures on its face.

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

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

A monument dedicated to a lone, brave invader.

These two 15th-century metal rods allowed people to check if they were swindled or not.

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

The townhouse where the "Blood Countess" Elizabeth Báthory started her murderous career.

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

The beautiful baroque library of the Hapsburg empire.

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

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

An exquisite Baroque church in Vienna's old town.

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

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

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

A non-stop elevator ride in Vienna's city hall.

The Habsburgs' royal collections of art and wonders.

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

An ancient Roman temple first dedicated to an emperor's wife is now a church.

Third time's a charm, or in this case, two testicles are.

This Dresden church was purposely rebuilt Protestant after being demolished in World War II.