There’s no argument that the Fens are flat, but thanks to man’s 1,000-year struggle to reclaim land from the sea, this is a thriving landscape rich in waterways and countryside perfect for walking and cycling. Discover picturesque market towns and wildlife a plenty. There’s history too, with Boston, USA, tracing its roots back to the Fens. It’s also at the heart of Britain’s bulb-growing industry… and the pumpkin capital of the UK. Who knew?