A little-visited waterfall in an otherworldly landscape.

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

Learn about Iceland's hidden folk at this school dedicated to the study of elves.

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

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

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

The most powerful waterfall in all of Europe.

Climb right into the heart of this colorful Iceland volcano.

An encyclopedic collection of mammal penises.

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

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

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

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.

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

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

This work of engineering is imbued with elegance and ingeniousness.

A Swiss magician's vault of oddities.

Europe's largest dinosaur museum was founded by a passionate autodidact.

The largest underground lake in Europe.

The last woman executed for witchcraft in Europe is remembered in this Swiss museum.

Medieval irrigation channels built into the sides of mountains provided Valais with water for hundreds of years.

Artworks by loners, prisoners and the criminally insane.

A symbol of friendship between the mountainous regions of Switzerland and Bhutan.