Constructed in 1639 by the Mughals, Red Fort gets its name from its massive red-coloured sandstone walls. Set in Old Delhi, the octagonal-shaped fort is spread over an area of 254 acres. The planning and designing of the fort is a fusion of Mughal, Persian, Hindu, and Timurid traditions. A strong influence on later structures built in and around Delhi, Red Fort also features a museum that holds Mughal-era artefacts, including daggers, curtains, miniature paintings and carpets. The highlights of this architectural creativity include the peacock throne, step well, imperial bath, Moti Masjid and Hira Mahal.