Medicinal spa created with the discharge from a geothermal energy plant.

The summer tourists on these cliffs are thousands of seabirds.

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

Three columns of volcanic rock shoot out of the ocean.

A winding, blood-red tunnel of hardened lava navigable by foot.

Climb right into the heart of this colorful Iceland volcano.

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

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

This fantastical waterfall is hidden in a cave located in a cracked cliff.

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

Twisted girders are all that remain of an Icelandic bridge that was wiped out by a combination of volcanic heat and glacial floods.

The unique waterfall in Iceland's south features a backdrop of geometric black lava columns.

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

This eye-popping Icelandic crater lake is surrounded by red volcanic rock.

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

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

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.

An Icelandic island full of diving birds and legend.

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

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

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

Rising from the sea like a stone monster.

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