At this cozy bar tucked down a hidden Galway backroad, Guinness makes the Gaelic come out.

The ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

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

A moody and picturesque riverside ruin overgrown with vegetation.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

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

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

The block of aged dairy is probably still edible after 2,300 years in a peat bog.

These gigantic skeletons tower over visitors and provide insight into the creatures that once ruled over Ireland.

An 80-year-old plane tree is devouring an iron bench at Ireland's oldest law school.

The gorgeous library at Trinity College is home to remarkable treasures of Irish identity.

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

An otherwise quiet campground becomes a bustling medieval town for two weeks every year.

This chicken coop pays homage to a classic architectural style made famous throughout the southern United States.

The only working large-scale tea plantation in the United States.

One of the oldest living oak trees in the Southeast.

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

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

This fairytale-like structure is the last turf church ever constructed in Iceland.

This hobbit-y little hot spring may be the oldest spring used by humans in all of Iceland.

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

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

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

Every summer local children form "pysja patrols" to save young birds that have wandered from their nests.