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

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.

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

This pub built its reputation pouring post-shift pints for employees of the cemetery with which it shares a wall.

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

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

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

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.

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

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

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

An outstanding and haunting glimpse of the horrors of the Great Famine of Ireland.

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

The remains of this deep, dark mine have left behind a haunting rocky warren of tunnels.

This ancient Irish landscape boasts hundreds of legendary ruins.

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

Just another ancient, mysterious Irish stone circle.

A stunning Victorian abbey and walled garden on a lakefront.

A tribute to the incredible generosity the Choctaw Nation showed the Irish people during the Great Famine.

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

Amidst the bustling streets of Dublin, there is a hushed garden that is dedicated to "All those who gave their lives in the cause of Irish Freedom."

This 30-foot pile of rocks may be the grave of a mythological Irish queen.

Traveling this mountain pass reveals quaint stone buildings, stunning Irish scenery, and a bridge said to grant wishes.