Beijing Ancient Observatory is situated at the southeast corner of Beijing's Jianguomen Bridge, nearby the Beijing Railway Station. The Ancient Observatory was first built in 1442 in the Ming Dynasty, it is one of the oldest observatories in the world.
The observatory is located on a 17.79 meters tall brick platform. Eight bronzed astronomical instruments stand on this platform, all of them are ornately carved and well preserved. The design of the instruments reflects the influence of Oriental craftsmanship, understanding about measurements and physics of ancient people, even the European Renaissance drawing. Beijing Ancient Observatory is regarded as a milestone in Chinese architecture, marking a cultural exchange between the Orient and the West. So besides a place to observe the heaven, it is also an unique historical treasure.