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

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

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

A retired military stronghold on the rolling green coast of Donegal.

This 14th century tower house was once the home of Irish poet W.B. Yeats.

A strange egg in a mucky bog of western Ireland marks the spot of an aviation milestone.

Ireland's most remarkable collection of these curious cone-shaped houses is worth the buzz.

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

Impressive mining ruins overlook a spectacular view of Ireland's Copper Coast.

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

Ancient Bronze Age rampart that was used into the middle ages.

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

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

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

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

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

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

Petrified footprints of one of the very first vertebrates to walk on land.

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

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

The somber sculptures commemorating Irish Famine on the river Liffey in Dublin.

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

Just a few miles off the western coast of Ireland lies an isle steeped in Irish literary history.

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