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

Macabre museum devoted to historical Viennese murders.

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

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

One of Vienna’s oldest (and perhaps most haunted) alleys, allegedly with a bloody past that gave it its name.

The crypt of the imposing Stephensdom holds royal intestines and thousands of skeletons.

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

According to the local legend, these boys and ducks were turned to stone by an angered water goblin.

Brass plaques embedded in pavement preserve the memories of those who lost their lives at the hands of Nazis during World War II.

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

Thousands of slain Soviet soldiers are buried within the shadow of this enormous obelisk.

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

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

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

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

Sturdy scales are a surprising thing to find in a modern European city.

A gift from Emperor Franz Joseph I to his wife.

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

An ornate private entrance to the Vienna subway built specifically for the emperor.

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

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

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

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

After the famous composer died in Paris, his sister snuck his heart out of the country to honor his wish that it be buried in their native country.