Bennar’s fine, sandy beach is backed by the occasional sand dune. These sand dunes are of Special Scientific Interest, since they are constantly developing and therefore changing their environment.
Dyffryn Ardudwy, Gwynedd, LL44 2HD
This enormous 19th-century neo-Norman castle sits between Snowdonia and the Menai Strait. It's crammed with fascinating items, such as a one-ton slate bed made for Queen Victoria, elaborate carvings, plasterwork and mock-Norman furniture.
The Conwy RSPB nature reserve is a wetland on the east bank of the Conwy estuary, created from material dug out during construction of the A55 road tunnel.