Experience a unique route along the Green Belt, which once marked the inner-German border. Immerse yourself in history and experience the past up close at the Open-Air-Border Museum and the Ring of Remembrance. Walk from the L97 parking lot directly along the Kolonnenweg past the Heiko Runge memorial stone to the Open-Air-Border Museum and on to Sorge over a distance of 11 km. Discover the beauty of nature and learn more about Germany's turbulent history.