We have a submerged forest a few miles north of here. You can only see it at very low spring tides, on the beach at Westward Ho! (Yes, the exclamation mark is part of the town's name). I went there on a field trip in 1990 and was able to pick up some wood and acorns, around six thousand years old. All to do with sea level changes during warmer and colder periods since the last Ice Age. I think the submerged forest is around 6000 years old. The town is also slightly famous because Rudyard Kipling lived there for a few years. One of the shoreline features is called Kipling Cliff.