A Look At Gyeongju: Cheomseongdae Observatory
Cheomseongdae (meaning star-gazing tower) is the oldest astronomical observatory in East Asia. The observatory was build during the reign of Queen Seondeok of the Silla Dynasty. It’s 9.4 meters tall and 5.17 meters in diameter. Built with square granite stones and filled with soil and pebbles to the 12th layer.
It’s one of Korea’s National Treasures and it’s only cost 500 won to enter the grounds. It’s easy to get to take buses 10, 11, or 70 and get off at Daereung-won Tumuli Park. There is tons to see and do in the area too.