The enchanting archway is the only surviving portal into Dublin's lost medieval wall.

An Irish peat mine has become a stunning sculpture park.

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

A mysterious Neolithic tomb is perched along the edge of a modern golf course.

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

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

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

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

This ancient Irish landscape boasts hundreds of legendary ruins.

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

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

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

The home of Ireland's last leprechauns is officially protected by the European Union.

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

Just another ancient, mysterious Irish stone circle.

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

Wander among the abandoned ruins of this once-powerful medieval town.

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

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

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

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

Huge standing stones mark a site of megalithic mystery.

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

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