The "lost friend” is the most famous of the six moai statues that were removed from Easter Island.

This intriguing Bronze Age artifact spent centuries hidden within a Welsh faerie hill.

These mysterious Viking chess pieces spent centuries hidden on a remote Scottish island.

Kings Cross Station pays tribute to its role in Britain's best-selling book series.

The commemorative stone column conceals a secret laboratory.

A statue of the legendary Celtic warrior queen who fought the Roman invaders stands in one of the cities she once destroyed.

Despite the name, this 16th-century structure in Galway wasn't built by the Spanish.

A tiny village church in dramatic surroundings.

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

A black sand beach where glacial fragments wash ashore and look like sparkling diamonds.

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

This scenic Icelandic lava flow is named for a pair of Berserkers who were murdered, according to a famous Saga.

This black church sits alone among a field of lava rock.

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

This mountain fissure hides a secret path to a secluded mossy grotto within the rock itself.

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

An encyclopedic collection of mammal penises.

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

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

A park that allows you to get up close and personal with one of the world's largest open volcanic craters.

A statue honoring 44 continuous years of greeting passing ships.

History says that America’s first English industrial manufacture began here with a “tryal of glasse.”

Experience the pivotal Civil War battle at this interactive museum.

This Pennsylvania structure, the oldest building in Gettysburg, was once a stop on the Underground Railroad.