The top five tourist attractions in Wales are buildings linked to our heritage and culture. Tourism brings in over £3bn to the economy and is a key priority for the Welsh Government.
So why are 3,000 heritage buildings on the verge of falling down? Wales this Week investigates the matter in a programme that'll be broadcast on ITV1 Wales tonight.
Architectural historian Mark Baker is calling for local authorities to do more to preserve buildings under their control, blaming a "lack of understanding" on the part of councils to properly maintain important sites.
"They have a fear they'll end up with the bill" he says.
More top news
Three men allegedly murdered a father-to-be in the street in broad daylight over drug debts, Cardiff Crown Court has heard.
Michael Wheeler, 22, admitted causing Sophie Taylor's death by dangerous driving during an alleged car chase.
Cloud will thicken from the south, with mist and fog reforming in many areas towards the end of the day. Maximum temperature 9 deg C.