Inside this Icelandic greenhouse, geothermal energy keeps tomatoes warm and growing.

This natural rock formation features seemingly unnatural vertical ridges that have been blamed on elves.

In Northeastern Iceland lies something of an oxymoron: a steaming desert.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

Puffin enthusiasts flock to Europe's largest seabird cliff, which over one million birds call home.

The Arctic Circle runs through this isolated spot north of Iceland.

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

Surrounded by ash fields in Iceland, an impossibly verdant valley looks like something out of a fairytale.

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

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

A trio of hidden hot tubs takes advantage of Iceland's natural geothermal vents.

The oldest (maybe) swimming pool in Iceland is a stunning oasis built into the side of a lush hill.

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

The oldest church in Iceland is one of the few to feature ornate decoration.

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

A little-visited waterfall in an otherworldly landscape.

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

The most powerful waterfall in all of Europe.

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

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

These delicate sand pyramids look like naturally occurring gothic spires.

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