Longest road tunnel in the world features an air treatment plant and the illusion of daylight.

One of the most breathtaking railways in Europe also takes one of the steepest climbs, from fjord to mountain plateau.

A thin pane of glass keeps visitors from sliding off this futuristic skywalk.

Cold storage for agricultural biodiversity.

The convergence of two currents makes this a surprisingly pleasant getaway in the Arctic Circle.

An intricately carved Viking church overlooks a glistening fjord.

A stunning silver lining to global warming's gloomy cloud.

Home to three historic ships from the age of Vikings.

A serpentine highway twists and turns over the treacherous Norwegian Sea.

Iceland's largest geothermal mud pool is a little bit haunted and a little bit dangerous.

This remote eatery and museum is preserved as a time capsule of a small Icelandic fishing town.

The picturesque birthplace of Icelandic democracy is drenched in the blood of its brutal past.

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

Largest private bird collection in Iceland, formed from a tragic accident.

Outlaws, hot springs, and tragedy have all left their mark on this ancient road in the Icelandic highlands.

The oldest hall in Iceland was written of in the Sagas and features a centuries-old escape tunnel.

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

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

Three million year old fossils are exposed for all to see on this Icelandic shore.

The most powerful waterfall in all of Europe.

A trio of hidden hot tubs takes advantage of Iceland's natural geothermal vents.

Three columns of volcanic rock shoot out of the ocean.

This hobbit-y little hot spring may be the oldest spring used by humans in all of Iceland.