Amer, Jaigarh and Nahargarh, all close to Jaipur are called Garland forts are called garland forts becuase they seem to be strung together though the were constructed at different times. Amer is a fascinating blend of Hindu and Muslim architecture. Built in the 16th century by Raja Man Singh, who was very close to the Mughal rulers in Delhi, it sprawls on the hillside. The red sandstone and white marble Palace complex has some interesting apartments that cannot be found anywhere else. Jai Mandir, Sheesh Mahal, Sukh Niwas and Ganesh Pol are worth visiting. Caparisoned elephants today take visitors up the steep slopes to Amer. The old township of Amer lies at the foothills of the palace. With its cobbled streets and ruins od old 'havelis' it has an old world charm. Nahargarh Fort or Tiger Fort lies to the north-west of City Palace and provides an excellent view of the city during the daytime as well as at night. A royal retreat for the Maharanis, it was also used as a personal treasury. There is a Rajasthan courtyards of this fort. Jaigarh or the Fort of Victory, built by Sawai Jai Singh in 1726, housed the royal treasury for many years. The world's largest cannon on wheels is found here and the water supply and storage system of Jaigarh is said to be excellent.