A long, winding trek rewards you with a gorge so captivating it inspired a painting in the Tate.

The largest cave chamber in Britain—big enough to fit a whole cathedral inside.

Harry Potter once visited this massive limestone cliff, which was carved by an ancient glacial river.

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

This excellent museum recreates the boom days of the herring rush in the "Atlantic Klondike."

Instead of solid circles, the stoplights in this northern Icelandic town have glowing red hearts.

Akureyri is home to an oversized can of one of Iceland's favourite beers.

Travel deep inside of Europe's second largest glacier in the world's largest man-made ice cave.

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

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

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

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

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

The most powerful waterfall in all of Europe.

Iceland's tribute to its thankless civil servants.

The final resting place of the controversial chess champion.

The discovery of this Neolithic settlement, which contained a Stone Age "cathedral," threw archaeologists for a loop.

Possibly the oldest of Britain's ancient henges is also one of its most stark.

This tin chapel was built by POW's during World War II and is painted to look like something much more grand.

The true age of this ancient stone circle is unknown, but its stunning vista isn't in question.

The world's shortest street was created by an awkwardly placed hotel.

A statue in the center of Dublin dedicated to one of their favorite sons of rock & roll.