Designed by Heike Mutter and Ulrich Genth, the Tiger & Turle – Magic Mountain is an outdoor sculpture which opened  in Duisburg Wanheim, Germany.The sculpture has been constructed on a “artificially heaped-up mountain” to provide dynamic views of the surrounding area.  The visitor climbs on foot via differently steep steps the roller-coaster-sculpture. Led-lights are integrated in the handrails and highlight the flight of stairs so the sculpture is accessible at night, too.  At 45 metres tall, the sculpture is the largest in the country and is easily visible from every angle.