An ancient holy well said to be used by the patron saint of sailors and travelers, lost in the boggy west of Valentia Island.

Oliver Cromwell once seized the land under this house, which included the ruins of a medieval abbey that the owner used to build his stately home.

The largest portal tomb in Europe has a capstone weighing around 150 tons.

On the Irish coast, 18 members of the Howard family are eternally resting in an Egyptian pyramid.

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

After it was swallowed by a Georgian mansion, this medieval castle remained forgotten for centuries.

A collection of housewares from recent Irish history adjoined by a tower from ancient Irish history.

Catholics make up 84% of Ireland's population but this Dublin museum remembers the small but important Jewish community.

A steam trawler with a whiskey-soaked history driven ashore in 1960 resides rusty but still standing on the shoreline.

The severed head of a 17th-century Irish martyr lies within an intricate golden shrine.

This 5,300-year-old tomb with mysterious carvings crowns an Irish mountain.

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

Certain traditions prevail on the least-visited island of the Aran Islands.

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

You can see three Irish counties from this Neolithic hillside fort, once the seat of the Kingdom of Ailech.

The oldest licensed distillery in Ireland.

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

These imposing walls and towers look more like the ruins of a fortress than a monastery.

Ruins battered by centuries of war and disaster offer a wondrous glimpse of medieval Ireland.

A restaurant with an extensive Irish whiskey bar also has several first editions of famous works by Irish authors.

Just another ancient, mysterious Irish stone circle.

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

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

Wallabies live naturally on this Irish island.