A black cat protests the City Guild in Riga's Old Town.

Pilgrimage site for star-crossed lovers.

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

Erotic art covers the walls of the largest ancient pleasure palace.

Ancient snack bar of the Roman Empire re-opened.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

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

This life-size replica of the Statue of Liberty's flame is also a tribute to Princess Diana by default.

This surreal statue brings a famous French novel about a supernatural cad to arresting life.

This statue was given to France by the United States to commemorate the centennial of the French Revolution.

High atop the Eiffel Tower is a small apartment built exclusively to entertain the science elite and make the rest of Paris jealous.

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

Trick water gardens from 1619 featuring a 200 piece mechanical theater powered by water.

A little sculpture with a large wardrobe.

Theme park featuring miniature replicas of European monuments.

Climb inside an iron crystal magnified 165 billion times its normal size.

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.

A bust of Franz Kafka spins in pieces, reflecting the writer's inner torment.

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

Macabre astrological automaton clock dating to the late 1400s.

A statue marks the exact spot where The Boy Who Never Grows Up made his first literary appearance.

London's last remaining public soapbox site has seen speeches from Karl Marx, Vladmir Lenin, and George Orwell.

Traveling collection of amazing automata.