Azadi tower on the campus of Azadi square with Hossein Amanat design and implementation has been built during the Pahlavi era (1349 Hijri). The Human Right charter of Cyrus the Great (The first written human rights of Cyrus the Great, the Achaemenid king) was unveiled in this location for the first time.
The gate-like architecture of this building is retrieved from the architecture of the Achaemenid, Sassanid and Islamic periods that is a combination of two pairs of intersecting arches on foundations with the height of 45 meters, in four floors including a body of white stones which has been divided with slits in blue turquoise; it was built as a symbol of the continuity of culture, art and civilization of Iran and a sample of urban and modern symbols and signs. The building has four elevators, two staircases and 286 stairs. There are several theaters, galleries, libraries and museums in the underground campus of Azadi tower.