Saqsaywaman, which can be spelled many different ways (possibly from Quechua language, waman falcon or variable hawk), is a citadel on the northern outskirts of the city of Cusco, Peru, the historic capital of the Inca Empire. Sections were first built about 1100 CE by the Killke culture which had occupied the area since 900 CE. The complex was expanded and added to by the Inca from the 13th century; they built dry stone walls constructed of huge stones. The workers carefully cut the boulders to fit them together tightly without mortar. The site is at an altitude of 3,701 m (12,142 ft). In 1983, Cusco and Sacsayhuamán together were designated as sites on the UNESCO World Heritage List, for international recognition and protection.
