WEISSENKIRCHEN – GREIN. After reaching Weissenkirchen, you’ll be treated to several choices of excursions. Take a walking tour of Dürnstein before visiting the UNESCO-designated Melk Abbey. For a more culinary-focused experience, join a walking tour in Dürnstein, then enjoy a wine tasting hosted by a local vintner and sample special apricot treats from a local boutique. If you prefer a more active adventure, hike up to the fortress where Richard the Lionheart was once held or join a guided bike tour to Melk.