Europe-Places.com has listed approx 129 Historical landmarks in Co. Donegal. Some of the Top rated Historical landmarks in Co. Donegal are- WARREN POINT LIGHTHOUSE, Cloncha High Cross, , Cloncha High Cross, Ray Church, Killaghtee Old Church Cemetery and Ancient Stone Slab Cross, Clonca Church and Cross, Killaghtee Old Church Cemetery and Ancient Stone Slab Cross, Kilbarron Castle & Kilbarron Castle.