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

Royals, rebels, and artists have all conversed at this grand 19th-century Viennese coffee house.

Once the home of a hermetic monk, this cave now houses a small church.

A highly-criticized monument in Budapest has become the site of a makeshift Holocaust memorial.

An unconventional memorial to the women burned as witches in Bratislava.

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

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

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

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

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

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

An exquisite Baroque church in Vienna's old town.

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

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

This museum is dedicated to the little known ancient Roman history of Vienna.

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

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

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

Dine amidst exotic plants at this former royal greenhouse.

The Habsburgs' royal collections of art and wonders.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

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

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.