Built before the Islamic Revolution, it is the symbol of Iranian architecture and the symbol of the capital city, Tehran. Located at the heart of Tehran, the architecture is a combination of Achaemenid, Sassanid, and Islamic architecture. Beneath the tower, you can see a theater hall, gallery, library, and a museum. This monument played a key role in the demonstrations that lead to the victory of the Islamic Revolution. The tower has square and rectangular geometry and is built with 16 sides that end in a dome. This dome is observable from the inside. Although, Azadi Tower Golestan Palace.