Of Gondolin

Gondolin is a hidden city in the mountains, near the Pass of Anach and Dorthonion. It is just above Beleriand (the main country in The Silmarillion). Towards the end of Morgoth's reign, it is discovered, and Morgoth attacks and destroys the city. Tuor, a man, goes to Gondolin during the fall and saves as many of the people as he can. So Gondolin, though a magnificent city, the story ends in a sad way, which is the end of one of the most magnificent cities in the history of Middle Earth.