Results 2 results found Cheomseongdae Astronomical Observation Tower, Royal Tombs burial mounds, UNESCO World Heritage Site, Gyeongju, Gyeongsangbuk-do, South Korea, Asia Astronomical instruments of Jantar Mantar, UNESCO, Jaipur, Rajasthan, India Jahrtausendturm, Millennium Tower, Magdeburg, Saxony-Anhalt, Germany, Europe Observatory Hornisgrindeturm, by night with Milky Way, Seebach, Baden-Württemberg, Germany, Europe