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

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

Two stone columns flank the grand Venice square, but there were supposed to be three.

Breathtaking and huge 430 year old maps of Italy.

Hundreds of lucky felines haunt the ruins where Caesar was murdered.

A sculpture serving as an homage to Pope John Paul II.

The former Nazi concentration camp stands as a museum to remember this dark chapter in European history.

Beneath Kraków Old Town's main square lies a hologram-filled medieval market vampire graveyard wonderland.

Poland's oldest surviving university building holds a wealth of historic science instruments including some used by Copernicus.

Countless grotesque faces stare out from this eerie Prague art wall.

Real bones which are said to have belonged to a Polish dragon.

This Polish cave has housed a dragon, a brothel, and an enduring legend.

A surreal statue honoring Prague's favorite literary son.

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

Despite attempts by local police to discourage it, Beatles-inspired graffiti has been a means for artists to air grievances for decades.

Around 100,000 bodies are buried below the medieval headstones, many of which mark graves with multiple bodies stacked up to 12 deep.

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

Macabre astrological automaton clock dating to the late 1400s.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

One of the best collections of wax anatomical models in the world.

A small museum filled with over 1,000 clocks, and one particular clock calibrated to run until the year 9999.

Go inside to really appreciate this 500-year-old technological masterpiece.

The crypts of Capuchin friars decorated with the bones of over 4,000 friars, including an entire "crypt of pelvises."

This former Roman Catholic Church still contains the embalmed hearts and organs of 22 popes.