The intricate marble inlay work in Shahjahan palace in Agra fort. Emperor Shahjahan was imprisoned by his son Aurangazeb here. Shah jahan could watch Taj Mahal across the river yamuna from here. Agra Fort is a UNESCO world heritage site located in Agra. A master piece of Mughal fort architecture, this Fort over 95 years old has been made by 4 Mughal rulers in a great combination of red stone and marble.