The remains of a 13th-century Franciscan friary have survived multiple attempts at destruction, most recently in 1921.

This center tells the story of one of the most famous battles in Irish history.

The burial place of 14 of the executed leaders of the Easter Rising.

An unassuming historical marker for an iron age fort leads you to an oddly adorned cemetery for unbaptized children.

This museum is dedicated to the most famous Irish writers in history.

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

This Neolithic passage tomb forms part of a World Heritage Site.

This cemetery overlooking the Benbulben rock formation is the final resting place of one of Ireland's most beloved poets.

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

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

This is the largest cemetery in Ireland and the first cemetery museum in the world.

Ireland's only German military cemetery holds the remains of a spy who was moved there under the cover of darkness.

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

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

An oddly conical beacon perched atop beautiful Irish cliffs.

See some of the world's greatest racing horses at this idyllic thoroughbred breeding facility and garden complex.

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

A massive Celtic cross secretly growing in an Irish forest.

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.

These gigantic skeletons tower over visitors and provide insight into the creatures that once ruled over Ireland.

After it was swallowed by a Georgian mansion, this medieval castle remained forgotten for centuries.

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

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