How was salt formed over a thousand years ago, how is it mined and what significance does it have for us, our bodies and our health? The Westfalen Salt Worlds Adventure Museum in the heart of Bad Sassendorf gets to the bottom of these questions about the "white gold". Today, the former salt mining village is a modern but still idyllic spa where you can enjoy some time out. Small stores, cafés and restaurants invite you to stroll and linger, and there is plenty to experience in the spa park around the imposing Gradierwerk. How about a game of adventure golf? Or immerse yourself in the bathing and sauna landscape of the Börde Therme...