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

The final resting place for the remains of 143 Habsburg royalty.

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

The Habsburgs' royal collections of art and wonders.

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

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

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

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

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

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

The beautiful baroque library of the Hapsburg empire.

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

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

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

A sculpture of the beloved author surrounded by characters from his fairy tales.

Also known as the Blue Church, the building was consecrated to the daughter of Andrew II.

No one knows the origin of this creepy little stone man with an oversized phallus.

Launched by Napoleon's soldiers more than 200 years ago, a cannonball remains embedded in the tower wall.

An ode to a soldier who came to town, fell in love, then began making his own sparkling wine.

A sculpture of a beloved local figure, who tipped his top hat to everyone he passed on the streets of Bratislava.

This Slovak bridge is known both for its connection to a national uprising and its UFO-shaped eatery.

Dedicated to a synagogue that was destroyed after having survived World War II.

This Slovakian statue of an emerging sewer worker might just be a bronze peeping tom.

Terrifically morbid cemetary and site of famous Paracelsus' grave.