A Black Forest cuckoo clock theme park features one timepiece big enough to walk inside.

This neon landmark has been posing this deadpan question to follicly-challenged Dubliners for over 50 years.

A fearsome dragon clings to a corner of Munich's city hall.

Go surfing on this urban wave, "hacked" by local surfers.

Among the ostentatious rococo ornamentation of this church, an image of death cuts the life-thread.

Daily jousts and dancing barrel makers in Munich's mechanical clock.

A small marionette collection located within the dark cellars of an 11th-century Austrian castle.

The amazing wonder cabinets of a very rich Austrian archbishop.

Terrifically morbid cemetary and site of famous Paracelsus' grave.

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

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

Macabre museum devoted to historical Viennese murders.

The housing complex served as an anti-fascist fortress during the Austrian Civil War.

A patriotic medieval knight in driven-nail armor raised money for widows and orphans of WWI.

The topiary maze at the Habsburg hunting lodge.

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

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

Beautiful Austrian natural history museum with carved ceilings and row after row of ancient taxidermy.

Be on the lookout for the symbolic insect all over the city.

Six neolithic sandstone boulders remaining from a dolmen.

19th century tunnels burrowed under Liverpool.

The tower was originally used as a chimney for the waste incinerator of St Johns Precinct and Market.

The red letters in the literary pavement leading to the library form a mysterious code.

The sixth of London's "Magnificent Seven" cemeteries, and a source of unlikely inspiration to Beatrix Potter.