A former fortified tower now houses a collection of classic communications equipment.

This Copper beech tree nestled on a nature reserve is host to a bevy of autographs from Irish literary icons.

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

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

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

A stone wall that mysteriously moved three feet from its foundation.

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

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

An abandoned faux-pub made famous by a Guinness commercial.

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

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

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

The ruins of a medieval monastery named after a type of tree.

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

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.

A stunning Victorian abbey and walled garden on a lakefront.

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

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

This ancient Irish landscape boasts hundreds of legendary ruins.

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

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

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

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

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