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

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

A particularly disconcerting tribute to Irish martyrs.

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

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.

This colorful and fiery mural depicts the Irish folk story of the beloved hero Cuchulain.

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

The skeleton of a whale that beached itself in this Irish town is now on display in their public park.

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

Behemoth, cannon-like telescope operated by generations of Irish earls.

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

Modern sundial uses ancient methods to tell time and date perfectly.

This Bronze Age tomb is the centerpiece of a clearing within a beautiful Irish forest.

The chaotic studio of one of the 20th century's most important artists has been preserved down to the dust.

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

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

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

A standing relief of a Norman knight whose posture marks him as a Crusader.

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

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

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

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

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