A hugely vast Irish landscape of barren rock that stretches for miles.

This singular Irish dolmen is more Frank Lloyd Wright than upright stonehenge.

A stunning Victorian abbey and walled garden on a lakefront.

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

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

This European portal tomb has a capstone that weighs around 150 tons.

Curated by a small staff of veterans, the Carlow Military Museum valiantly provides a personal perspective on over 800 years of Irish history.

This beautiful, historic church looks like something out of a simpler past.

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

This replica Viking village was created for a film that was never shot and is now open to visitors.

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

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

These ominous lava formations were said to be an entrance to the netherworld so of course they inspired a famous metal band.

This volcanic cave lake is essentially hard proof that Iceland is the most magical place on Earth.

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

The most powerful waterfall in all of Europe.

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

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

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

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

This cave resembles the Star Wars Jedi master.

Three columns of volcanic rock shoot out of the ocean.

This local emblem is the oldest and largest dragon tree in the Canary Islands.

The ruins of the first mountaintop observatory are just a hike away.