Halls of Manwë
Existed in the Valian Years and Valian Years of the Trees, First age and Second age. Was moved outside the world in the end of the Second age due to the downfall of Númenor.
The Halls of Manwë was built upon Taniquetil where a great
abode and a watchtower was raised. It was made by Aulë
with aid of Tulkas and Yavanna. In marble white and blue it stood amid the fields of snow, and its roof were made
of a web which Aulë and Yavanna contrived of the blue air and Varda spangled it with stars.