An architectural masterpiece, The Red Fort of Agra or Agra Fort was built by Emperor Akbar in 1573. It is, in fact, a massive fortification located on the right bank of the River Yamuna in Agra, Uttar Pradesh and is made entirely of red sandstone. The fort was once the ersthwhile residence of the Mughals until the year 1638. One of the UNESCO World Heritage Sites and lies at a distance of 2.5 kilometres from another wonder of the modern world - The Famous Taj Mahal. The area of Agra Fort is so massive that it is often referred to as a walled city. Made from red sandstone brought to Agra all the way from Rajasthan, this imposing structure is as majestic as it is beautiful and delicate.