A remarkably intact castle that once was the largest in Ireland.

Obelisks and stone pineapples in the Irish countryside.

A moody and picturesque riverside ruin overgrown with vegetation.

The oldest inn in Kilkenny was established by the first convicted witch in Ireland.

This ancient Irish religious site is covered in ancient carvings, many of which have barely aged.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

Dublin's "Dead Zoo" serves as a window to Victorian museum design.

The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

The world of the ancient Celtic civilization explained through a bewitching 11 acre garden.

A tiny microvalley etched into the side of Knocknarea Mountain hides another world.

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

This canyon is comprised of gorgeous waters and magnificent basalt columns.

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

The bright red stripes streaking across the rocks are the star feature at this Icelandic waterfall.

This museum dedicated to divination also honors a local 10th-century prophetess.

The Arctic Circle runs through this isolated spot north of Iceland.

Two volcanic lakes in an enormous crater formed in a prehistoric eruption.

The summer tourists on these cliffs are thousands of seabirds.

An isolated, rusty phone booth commemorates Iceland's first international telegraph cable.

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

Surrounded by ash fields in Iceland, an impossibly verdant valley looks like something out of a fairytale.

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

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