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

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

One of the oldest, well-preserved water treatment facilities in all of Europe.

The former headquarters of history's oldest megacorporation.

The geographical center of Budapest is marked with a 10-foot-tall stylized zero.

The palace window through which Protestant nobles flung two Catholic regents, thus sparking the Thirty Years' War.

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

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

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

A glimpse into the festive and private lives of medieval Europe.

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

Legend has it that seven Anglo-Saxon kings were coronated on this stone, located in the appropriately-named town of Kingston.

Hidden beneath a beautiful overlook you’ll find the history of the city depicted in comic strip format next to a pay toilet.

A Ukrainian church canteen doles out hearty fare in an East Village basement.

Potato-peeling mannequins, Inca art, and a dangling tuber mobile help trace the history of fries at this Belgian museum.