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

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

Iceland: home to volcanoes, waterfalls and, apparently, Santa?

This elegant arc of a waterfall marks a religious turning point.

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

A sulfuric martian landscape that looks far better than it smells.

A reliquary of pop culture marvels, including the world's largest (and most terrifying) Jack-in-the-Box.

One part antique store, one part curiosities hodge-podge.

A store full of vintage and indie toys designed to bring out the kid in even the crustiest of adults.

Three bridges and one giant canyon make up this fantastic Spanish settlement.

This modest marker near Notre Dame identifies the very center of Paris.

A semi-scholarly approach to sex.

The one-time epicenter of American songwriting is now a little remembered Manhattan commercial block.

The famous winding walk at Chartres is surrounded in mystery and myth.

The first green space constructed on an elevated viaduct.

France's most famous cemetery, with some of its most curious tombs.

A Parisian exterminator's shop whose storefront displays stuffed rats hanging from traps.

Ancient paintings known as the "Sistine Chapel of Cave Art."

One of nature's most well-scheduled phenomenons resides in Wyoming's Yellowstone National Park.

One man's ambition created this psychedelic log home.

The middle finger of modernity.

Touching mementoes from those who didn't make it back from World War I still hang in one of New York's oldest bars.

Named the fifth most beautiful building in America in 1885, this former courthouse boasts the best view in the Village.

Hidden in plain sight on a pair of Manhattan subway tunnels are a pair of public instruments that sing to each other.