Many people go to Wales on holiday. It is famous for its beautiful scenery: mountains, valleys and streams . In Wales there are a lot of places that haven't been damaged by tourism, agriculture or industry. Some people may argue that there is a lot to see but nothing to do in Wales; and they will be wrong. You can go boating on the picturesque. Llangollen Canal or go riding along the narrow rocky path in the Snowdonia National Park.Wales is also famous for its castles . They stretch like an iron chain across the country visitors to Wales often go to see Caernarfon Castle in North Wales. This is where Prince Charles became Prince of Wales in 1969. Don't forget to make a visit to it. Perhaps the most impressive castle in Wales is Caerphilly. For centuries it served as a fortress and is still one of the greatest castles of the western world.