An unusual stroll through gentlemen's erotica demonstrates that pornography is timeless.

One of Antoni Gaudí's most classic buildings is well-known for its "dragon-back" design.

A trough of 700 strange bronze faces runs through a narrow alley in Ljubljana's old town.

A whimsical bridge adorned with decorative dragons.

This abandoned Slovenian military barracks has become a punky-political art squat.

Bridge that died in war and was resurected.

St. Peter’s, in Western Germany, has stood as a masterpiece of Romanesque architecture since 1181.

Retirement home for giant obsolete machines.

A unique hanging cable-car navigates through Dresden, the oldest suspension railway in the world.

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

Fantastic views and thousands of love locks.

A sprawling Baroque park with 300-year-old hydro-pneumatic waterworks.

The San Marino-Rimini railroad was short-lived but this tunnel once provided shelter for hundreds of refugees during World War II.

An abandoned quarry hides an open-air gallery of huge sculptures, some made from the rubble of 9/11.

Southern Italy's spinning top village.

Skulls and skeletons are omnipresent in this church dedicated to souls trapped in purgatory.

This museum houses an imposing skeleton army comprised of creatures great and small.

Paris' fabled purveyor of exotic taxidermy and natural history curios.

A beautiful Victorian statue shows France's enduring love of the rhinoceros.

This emotive sculpture was originally created for the 1878 World's Fair.

A horde of stray cats rule in this secluded Parisian cemetery under a bridge.

A giant silver apple a day keeps the perils of capitalism away.

The water-powered carriages are long gone, but for over a century this funicular railway has been the fastest route to the highest point in Paris.

Paris' linguistic guide to the international language of, yes, love.