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

This permanent collection of preserved bodies taken from Irish bogs is one of the leading authorities on such morbid mummies.

A museum that cashes in on its infamous little people while teaching you a thing or two about the Irish fey.

Some of the saint's blood and bones are said to reside in Dublin.

One of Ireland's most infamous prisons for rebels including men, women and children.

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

The ancient tomb acts as a calendar that keeps perfect time.

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

An ancient neolithic tomb that only sees the sun twice a year.

Obelisks and stone pineapples in the Irish countryside.

Huge standing stones mark a site of megalithic mystery.

Local legend says the remains of Father Christmas lie within the medieval grounds.

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

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

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

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

A Neolithic passage tomb said to have sheltered two legendary Irish lovers.

This Irish show cave is said to have been the site of a Viking massacre that claimed 1,000 lives.

An Iron Age fort on the edge of a seaside cliff offers a glimpse into an ancient, mystical world.

While only two of the ancient buildings at this site are actually churches this was one of the earliest Irish pilgrimage sites ever.

A rocky Irish outcropping with a history of wealth, conflict, and ruin.

A sacred well steeped in Pagan roots on the West Coast of Ireland.

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

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