Jaisalmer the old City and fort.Jaisalmer Fort is one of the largest of desert forts of the world. It is situated in Jaisalmer city in Indian state of Rajasthan. It was built in 1156 AD by the Bhati Rajput ruler Rawal Jaisal, from where it derives it name. The fort stands proudly admist the golden stretches of the great Thar Desert, on Trikuta Hill and had been the scene of many battles. Its massive yellow sandstone walls are a tawny lion color during the day, turning to a magical honey-gold as the sun sets and camouflages the fort making it appear a part of the picturesque yellow desert. Thus, it is also known as the "Golden Fort"..