The remains of a majestic house that was once stood in the crosshairs of the Irish Republican Army.

This 14th century tower house was once the home of Irish poet W.B. Yeats.

This Copper beech tree nestled on a nature reserve is host to a bevy of autographs from Irish literary icons.

The ruins of a monastery that dates to the 7th century.

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

A remarkably intact castle that once was the largest in Ireland.

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

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

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.

A steam trawler with a whiskey-soaked history driven ashore in 1960 resides rusty but still standing on the shoreline.

These moss-covered medieval ruins tower atop the smallest of Ireland's Aran Islands.

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

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

A diminutive, thousand-year-old church believed to be the smallest in Ireland.

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

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

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

A stunning Victorian abbey and walled garden on a lakefront.

A spectacular hidden beach in Ireland has the dark, disturbing nickname of "Murder Hole Beach."

This World War II relic let Allied pilots know they were entering neutral airspace.

This rare and ancient Christian relic is one of Ireland’s oldest freestanding stone crosses.

A retired military stronghold on the rolling green coast of Donegal.

These murals stand as reminders to the troubled history of this Northern Ireland city.