Romantic Rhineland-Palatinate is at the very heart of Riesling production in Germany, home to the largest wine regions in the country. The state is defined by lush vineyards, quaint medieval villages, UNESCO World Heritage sites, picturesque castles, volcanic lakes and wine-rich valleys. Its sylvan forests and rising mountains provide the perfect backdrop to a summer hike, bike ride or wine tasting adventure, while its cities and towns are alive with cultural activities and festivals.