Petrified footprints of one of the very first vertebrates to walk on land.

A hugely vast Irish landscape of barren rock that stretches for miles.

This floating garden in the sky is straight out of a fairy tale, but the real thing is nothing short of magical.

The ancient tomb acts as a calendar that keeps perfect time.

Perfectly preserved ancient monastery in an impossibly dramatic location on a rocky island in the Atlantic.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

The oldest steel ship in Iceland has been beached for years and is now a rusting ruin.

This monument to one of the largest science fiction games of all time bears the names of hundreds of thousands of players.

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

Two volcanic lakes in an enormous crater formed in a prehistoric eruption.

This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.

This tumultuous Icelandic lava field looks so alien European researchers want to use it as a stand-in for Mars.

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

Three million year old fossils are exposed for all to see on this Icelandic shore.

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

This wrecked airplane has been sitting on a black sand beach since the 1970s.

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

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

This hobbit-y little hot spring may be the oldest spring used by humans in all of Iceland.

The most powerful waterfall in all of Europe.

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

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 modern monument to pagan belief looks like it was transported straight from ancient times.