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

This beautiful site is where the first transatlantic telegraph was sent from.

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

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

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

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

On the Irish coast, 18 members of the Howard family are eternally resting in an Egyptian pyramid.

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

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

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

A nun spent 16 years painting the stunning Celtic mural that covers the interior of this WWI memorial.

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

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

Just another ancient, mysterious Irish stone circle.

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

A proud bronze billy stands as an eternal symbol of Ireland's oldest festival, where a goat is made king.

This burial pyramid in central Ireland is thousands of miles and thousands of years away from its Egyptian inspiration.

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

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

This courtly monument celebrates an influential comedian who turned taking the piss out of the powers-that-be into an art.

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

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

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

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."