Consider getting a large bucket to accommodate your list of top European historical sites! The number and variety of them are mind-boggling. Your options range from the most ancient art in cave paintings in several countries to seeing inventions from the start of the industrial revolution and the beginnings of technologies we enjoy today. If Europe means castles and palaces, follow the 8th annual Palace Day on July 19th to learn how their architecture and décor represent astronomy, astrology, and mythology! Use UNESCO’s extensive, rich lists of world and intangible cultural heritage to help you find the places most interesting. No matter where in Europe you’re heading, you’re sure to visit outstanding examples of human endeavor and witness remarkable traditions. Trails of history and heritage that suit your interests are waiting for you!