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

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

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

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

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

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

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.

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

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

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

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

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

Just another ancient, mysterious Irish stone circle.

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

The oldest licensed distillery in Ireland.

The Grand Lodge of Ireland is one of the oldest in the world, full of fantastical, elaborately themed rooms.

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 ruins of an 800-year-old monastery boasts the tallest round tower in Ireland.

This single room has survived the centuries with almost no deterioration.