Most popular tourist destinations in the capital

Tehran is also home to the Iranian Imperial Crown Jewels, claimed to be the largest jewel collection in the world. The collection comprises a set of crowns and thrones, some 30 tiaras, numerous aigrettes, jewel studded swords and shields, a vast amount of precious loose gems, as well as the largest collections of emeralds, rubies and diamonds in the world. It also includes other items collected by the Shahs of Iran. The imperial crown jewels are on display at the Central Bank of Iran.