The final resting place of one of the brightest physicists of the 20th century.

Climbing Iceland's highest peak on the rim of the Oræfajökull volcano.

The summer tourists on these cliffs are thousands of seabirds.

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

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

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

Three columns of volcanic rock shoot out of the ocean.

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

A little-visited waterfall in an otherworldly landscape.

The most powerful waterfall in all of Europe.

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

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

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

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

Rising from the sea like a stone monster.

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

As the highest point in the Mid-Atlantic range this stratovolcano offers spectacular views.

A perfectly circular lake is formed by the crater of an ancient underwater volcano.

This fairy-tale, neo-Gothic church in the Azores is a world of magical realism.

When Azorean green tea meets volcanic hot springs water, a luminous brew is born.

Portugal’s highest lighthouse has one of the most impressive focal planes in the world.

This region of the Perugia municipality has an unforgettable name.

A crumbling World War I fort that is reached through a series of concrete tunnels.

Also known as the Square Colosseum, this building is a prime example of fascist-era rationalist architecture.