TravelEurope's quirkiest festivalsChristina Deicke jg04/29/2016April 29, 2016On the night of April 30 to May 1, witches and devils overtake the Harz region to celebrate Walpurgis Night. And that's just one of Europe's many weird and wonderful festivals.https://p.dw.com/p/1IfKFImage: picture-alliance/dpa/M. BeinAdvertisement