Tehran, as one of the main tourist locations in Iran, has a wealth of cultural attractions.There are several historic, artistic and scientific museums in Tehran, such as the National Museum, Malek Museum, Ferdows Garden, Glassware and Ceramics Museum, Museum of the Qasr Prison, the Carpet Museum, Museum of Glass Painting (vitrai art) and the Safir Office Machines Museum. There is also the Tehran Museum of Contemporary Art in which works of famous artists such as Van Gogh, Pablo Picasso and Andy Warhol are featured.
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.