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

A formerly glacier-tipped volcano that inspired none other than Jules Verne.

Three columns of volcanic rock shoot out of the ocean.

A stratovolcano located in the south of Iceland, with a long history of charted activity and a rich mythology attached.

This valley of hot springs and boiling mud pots is home to the record-holding "Geysir," which originated the English word.

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

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

Iceland's "Smoky Valley" is a beautiful river that is shrouded in a constant cover of steam clouds.

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

The most powerful waterfall in all of Europe.

An encyclopedic collection of mammal penises.

Walk in the footsteps of the gods and straddle two tectonic plates.

Iceland's largest lagoon is home to stunning multi-colored icebergs.

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

These unique markers designate the route American forces took during the Liberation of France.

If you look closely at the oldest bridge in Paris, you might notice hundreds of ugly faces leering from its sides.

On the shores of Lake Laffrey, a monument commemorating one of Napoleon Bonaparte's most compelling victories.

A fortified palace in the shape of a ship on the Thiou river.

How did a French journalist’s grave become the sexiest statue in the cemetery?

A rare cluster of alien-like plants grows along a dusty highway.

A six-ton wedding present for the King of the Scots.

This town named for the ancient God of War is home to fewer than a thousand people, but it's the birthplace of the Greek Revolution.

The ruins of an abandoned medieval city where the last Byzantine emperor was crowned.

A 2,000-year-old computer demonstrates remarkable engineering and astronomical precision.