The Tang Dynasty of 618 AD-907 AD to the early Song Dynasty of 960 AD-1279 AD saw the invention of gunpowder. This was used to make fireworks and signals.
During the Ming Dynasty from 1368 AD - 1644 AD the Chinese improved their ships and had great voyages with Zheng He. Zheng went to places like Africa where they brought back exotic animals.
The Ming Dynasty of 1368 AD - 1644 AD saw the building of the Forbidden City. This was a huge palace complex that included hundreds of imperial residences, temples, and other government buildings. It was named this because common people were not even allowed to enter the complex.