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

An important pilgrimage site for pagans and early Christians, named for a Celtic goddess-turned-saint.

This ancient Irish tower could easily have stood in for Rapunzel's prison.

The world's tallest box hedge is found in a delightful garden.

This natural sea arch highlights Ireland's rugged coastal beauty.

This is the largest cemetery in Ireland and the first cemetery museum in the world.

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

There might not be much left of these Irish ruins, but their linguistic legacy is still going strong.

This controversial Irish show cave is home to a massive formation known as the Great Stalactite.

The world's toughest modern Christian pilgrimage leads directly to the gates of Hell.

The Grand Lodge of Ireland is one of the oldest in the world, full of fantastical, elaborately themed rooms.

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

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.

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

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

A moody and picturesque riverside ruin overgrown with vegetation.

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

An eccentric garden of sculptures crafted in India decorate an Irish green space dedicated to Alan Turing.

A mysterious solitary standing stone from the Neolithic period.

A reminder of the gruesome punishments delivered to those who were found guilty during Scotland's witchcraft trials.

These crumbling ruins are all that's left of the ancestral home of Clan Crawford.

This castle was first occupied in the 1400s and has undergone major restoration in recent times.

A monument honoring 81 residents of this Scottish town who were executed for witchcraft in the 16th century.

An ancient Roman altar named after Robert the Bruce.