Once a 19th-century brasserie, this McDonald's exterior celebrates Alsatian design and the "King of Beer."

This innocuous-seeming building is actually the remnant of a major wartime brothel.

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.

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

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

Abandoned railway line circling the city of Paris.

The floorboard scrawling of a tragic madman is on public display outside a Paris hospital, much to the dismay of its opponents.

135 bronze medallions mark a French meridian line which once rivaled the hotshot Greenwich timeline.

A Parisian cemetery where the elite and artistic are interred beneath an eccentric collection of tombs.

This tiny museum's sizable collection is jammed into a former underground public toilet.

The largest whale museum in Europe allows visitors to walk among life-size giants.

This verdant, tree-lined Reykjavik graveyard is both enchanting and eerie.

An encyclopedic collection of mammal penises.

Iceland's tribute to its thankless civil servants.

This stunning concert hall has become a symbol of Iceland's national recovery.

This oceanside Reykjavik spot is speckled with recycled sculptures and large stones.

A bit of the Berlin Wall was gifted to the Icelandic capital to commemorate the 25th anniversary of German reunification.

One of the tallest buildings in Iceland, and perhaps, the most visually impressive.

The last remaining 19th-century tenement from Boston's old West End neighborhood.

This memorial honors those who served on Gallops Island Radio Training Station during the second World War.

The site of one of the strangest disasters in history—a wave of deadly molasses traveling at 35 mph.

This parking garage was the site of what was - at the time - the largest cash robbery in history.

Historic Hull Street was actually the first street with a proper name in the Boston area.