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

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

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.

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.

Three columns of volcanic rock shoot out of the ocean.

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

This replica Viking village was created for a film that was never shot and is now open to visitors.

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

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.

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

Strange rock formations tower above the river that snakes through this enchanting Icelandic canyon.

An Icelandic island full of diving birds and legend.

These concrete domes were installed on an Icelandic bluff to honor a very specific musical tradion.

The oldest hall in Iceland was written of in the Sagas and features a centuries-old escape tunnel.

This collection of unique liquids allows visitors to wander the waters of Iceland's glaciers.

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

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.

This black church sits alone among a field of lava rock.

A giant concrete orb in far north Iceland marks the ever-shifting boundary.