The Wye Valley
Here is the river Wye heading down towards Chepstow, which you can see in the distance. This is considered an "Area of Outstanding Natural Beauty" and it forms part of the border between England and Wales. Largely unpolluted, it's one of the best rivers for salmon fishing in the UK (outside of Scotland). There are some fab walks along the route of the river and you can even go canoeing. I've "done" a couple of the walks, but I haven't "done" the canoeing.
Chepstow Castle
The Castle is what brings most visitors to my town. Imagine what life was like in the Great Hall over a thousand years ago!