Open Doors Search hundreds of Wales’ historic sites offering free entry, events and guided tours. Where would you like to go? Filters Where would you like to go? Close Region - Any - Anglesey Blaenau Gwent Bridgend Caerphilly Cardiff Carmarthenshire Ceredigion Conwy Denbighshire Flintshire Gwynedd Merthyr Monmouthshire Neath Port Talbot Newport Pembrokeshire Powys Rhondda Cynon Taff Swansea Torfaen Vale of Glamorgan Wrexham Add dates Visiting from To Search