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

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

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

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

Op-art architecture designed for happiness.

This artificial cave looks like something out of a fairytale.

This tipsy office building in downtown Prague was originally called “Fred and Ginger.”

Increasingly decayed figures stand as a powerful reminder of the human costs of Czech Communism.

Two stunning 17th-century libraries and a cabinet of curiosities.

A grumpy old water goblin guarding an old mill on the Devil’s Stream in Prague.

This automated sculpture of two men peeing will spell out text messages with their micturition.

This spooky statue sits outside a famous Prague theater.

Macabre astrological automaton clock dating to the late 1400s.

Synagogue built from the stones of Solomon's temple contains the golem of Prague.

Something's watching you.

The bust of Romania’s most notorious ruler, Vlad Dracula aka "Vlad the Impaler," keeps watch over the ruins of his medieval court.

A celebration of all things tacky, garish, and bizarrely creative in the Romanian capital.

One of the most controversial statues in Romania is an emperor with no clothes.

The preserved arm of a third-century sorcerer is believed to have the power to lift curses and spells.

This memorial to the victims of the Romanian Revolution of 1989 is often compared to a potato on a skewer.

Nine centuries-old fortresses guard the walls of this medieval Romanian city.

The legendary cliffside castle of three-time Voivode of Wallachia, Vlad the Impaler.

The possible imprisonment of Vlad the Impaler here earned the medieval castle its nickname, "Dracula's Castle."

The European towns of Brașov and Râșnov each have proud signs reminiscent of the Hollywood sign.