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

This stunning concert hall has become a symbol of Iceland's national recovery.

Amazing and mysterious Neolithic settlement on Scotland's Orkney Islands.

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

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

The mysterious megaliths have enchanted and intrigued visitors for thousands of years.

A magnificent, iconic stone tower in the Scottish Highlands.

This beach runway is off limits during high tide.

Islanders once used this dramatic, otherworldly landscape to hide their cattle from Viking raiders.

Ancient cliffs resembling a kilt on Scotland's second largest island emit an entrancing sound.

An ancient Scottish rock formation said to be the gravesite of a giant remains ensconced in legend and intrigue.

The most iconic structure in Scotland has been home to bishops, colonels, and Sean Connery characters.

A small island abbey is the final resting place of many medieval Scottish monarchs, including the real Macbeth.

Celebrated example of Ottoman architecture that also served as a site for brutal massacres.

A bridge destroyed three times: once as a ruse, then in an actual attack, and finally for the movies.

The remains of the last Bosnian fortress to fall to the Ottomans are still standing.

An entertainment center in a huge transparent tent.

A modern tower, symbolizing the legend of a golden egg on top of the tree of life.

One of the most horrible legacies of the Cold War is a site where the Soviet Union tested nuclear bombs on civilians.

Brawny guys rolling around in oil is the oldest regular sporting event besides the Olympics.

An autonomous republic of Orthodox monks.

The world's longest nonstop reversible cable car soars through spectacular scenery to the medieval Tatev Monastery.

Nestled in a peaceful valley, this Armenian monastery may have been saved from Mongols thanks to the eyes of God.

A geological oddity topped with a 2,000-year-old pagan temple.