Admission to over 70 OPW heritage sites will be free to the public tomorrow to mark the beginning of National Heritage Week.
Sites include Doneraile Court and Estate, The Rock of Cashel, the Glendalough and Clonmacnoise monastic sites.
Also included are visitor centres at Portumna Castle and Gardens, Sligo Abbey, Donegal Castle, Charles Fort, Ennis Friary and Ionad an Bhlascaoid - the Blasket Centre.
Irish language tours will be available at many of the sites throughout Heritage Week 2025 which runs from tomorrow until Sunday, 24 August.
Organised by the Heritage Council, National Heritage Week has become one of the country's largest cultural celebrations with almost 2,400 events taking place during the week.