A natural arch carved by a river gave its name to the so-called "Cave of Forgotten Dreams."

This ancient Roman bridge and aqueduct still stands as a wonder of classical construction.

Walk through living pictures and music in the Cathedral of Images.

Even France's favorite aquatic son Jacques Cousteau, couldn't get to the bottom of it.

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

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

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

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

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

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

Rising from the sea like a stone monster.

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

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

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

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

The most powerful waterfall in all of Europe.

The bright red stripes streaking across the rocks are the star feature at this Icelandic waterfall.

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

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

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