The final resting place to 300 Victorian-era pets hides inside the city park.

An eerie, existential museum dedicated to the author of "The Metamorphosis."

A surreal statue honoring Prague's favorite literary son.

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

Where the lovelorn find a home for their sentimental keepsakes.

An underground paleo-Christian burial site composed of the remains of several cemeteries and Basilicas.

When a supermarket opened up shop within a medieval building it became protected by UNESCO on a technicality.

Museum devoted to the artificial language of Esperanto.

From Austrians to Nazis to Soviets, this historic Budapest fortress has a history as complex as the city itself.

The most visited, and possibly most controversial, museum in Germany.

Thousands of coffin-like pillars make up this controversial Holocaust memorial.

The hidden lair of an alchemist rediscovered in a 2002 flood.

The history of occult science is turned into a creepshow at this lurid Prague tourist attraction.

Macabre astrological automaton clock dating to the late 1400s.

Walk through Czech history in Prague's largest graveyard.

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

A tropical paradise just a short trip from the opera house is filled with beautiful winged creatures.

This former insane asylum now holds a pathological anatomy museum.

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

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

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

A trail of iron footwear stands as a monument to the thousands executed along this riverbank during WWII.

Tucked away near more famous landmarks lies a statue meant to symbolize the confluence and continuing development of human culture.

This hidden art nouveau gem was designed by an architect in search of a national style.