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

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

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

Experience what life was like in Ireland during the Viking and medieval ages.

An ancient neolithic tomb that only sees the sun twice a year.

The mummified heart of a saint lives on in this church—after a brief hiatus when it was stolen.

A moody and picturesque riverside ruin overgrown with vegetation.

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

One of Ireland's most infamous prisons for rebels including men, women and children.

The ancient tomb acts as a calendar that keeps perfect time.

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

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