The most powerful waterfall in all of Europe.

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

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

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

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

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

Iceland: home to volcanoes, waterfalls and, apparently, Santa?

Dozens of large, brightly-colored paintings adorn the walls of the "street art capital of Iceland."

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

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

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

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

If a glacial river suddenly diving into a sheer chasm via a dramatic, multi-stage waterfall isn't peak Iceland, it's certainly close.

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.

Walk in the footsteps of the gods and straddle two tectonic plates.

The largest known open fault in the United States is basically a giant natural refrigerator.

This outdoor gallery of graffiti-covered walls pays homage to the past, present, and possible future of street art.

This sculpture by artist Fritz Keonig survived the 9/11 attacks and now stands as a monument to the victims.

The last living thing to come out of the rubble after 9/11 is now a symbol of hope and resilience.

Pulled from the rubble of one of the worst modern tragedies, a steel crossbeam became a symbol of hope for New Yorkers.

Lie in a hammock where George Washington stood.

Outstanding taxidermy dioramas showcase the grandeur of the continent's wildlife with spooky realism.

The 20th-century chapel’s intricate woodwork includes amazing details, most notably angels playing bagpipes.