Mortarless walls that stretch for miles are a lovely solution for creating grazing land in the harsh terrain of the Aran Islands.

These moss-covered medieval ruins tower atop the smallest of Ireland's Aran Islands.

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

A moody and picturesque riverside ruin overgrown with vegetation.

Built into the wall of this pub is a unique marker detailing the distance to Dublin.

An ancient chamber filled with wonderful rock art and a Neolithic carving of a human face.

An ancient neolithic tomb that only sees the sun twice a year.

The remains of a concrete ship sit on a sandbank between Ballina Quay and Belleek Woods.

A stunning Victorian abbey and walled garden on a lakefront.

This small Irish village suffered the greatest loss of life when the Titanic sank.

Achill's most recently abandoned village dates back to to the Age of Enlightenment.

When the tide is high, you can see the Atlantic pushing up through a deep, jagged hole in the rock.

These powerful, if squat, Canadian waterfalls flow in different directions depending on the time of day.

A small Canadian town founded as a refuge for Loyalists following American Independence.

A rare opportunity to drive across the ocean floor.

A roadside park in eastern Maine first marked the halfway point between the equator and North Pole with a brass pin in 1896.

The largest hand-carved, outdoor sculpture collection in the state of Maine.

A face-like natural rock formation so well known, a pub was named in its honor.

This haunting stone chasm is a hotbed of mossy rock and English legend.

Local legend holds that if you can make it up this steep cobblestone stairway without taking a breath, you'll have wish come true.

A small house sits between two huge rocks, with its back to the sea.

The names Lúthien and Beren can be found inscribed on the shared grave of the famous writer and his beloved wife and muse.

This historic pub is a hidden gem for fans of Lewis Carroll.

The medieval legend behind this holy well was one of the inspirations behind "Alice's Adventures in Wonderland."