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

This five-foot-tall bronze bird is a memorial to a species that was hunted out of existence.

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

The oldest church in Iceland is one of the few to feature ornate decoration.

Rising from the sea like a stone monster.

Two geological phenomena in one precarious locale: a towering stone window, and a deep blue void.

These temples are among the oldest free-standing stone buildings in the world.

Enigmatic tombs and cave dwellings on the outskirts of a rural village.

The fishing boats that moor in this small lagoon enter and leave through a tunnel to the sea.

The eclectic seaside sanctuary caters to a rather fowl crowd.

This spectacular dome managed to survive after being bombed in World War II, in an event known as the "Miracle of Mosta."

The remains of a 1st-century aristocratic Roman town house featuring beautiful well-preserved mosaics.

Giant WWII fortresses that fired 8,000 rounds a minute, now home to thousands of pigeons.

Vienna's giant wonder wheel had a starring role in one of the greatest noir movies of all time.

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

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

Staves, storm-calling, and of course, necropants.

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

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.

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

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

The most powerful waterfall in all of Europe.

This modern monument to pagan belief looks like it was transported straight from ancient times.