Agra Fort
Agra Fort is a Unesco world heritage site and one of the biggest forts in India. This fort was the site of a battle during the Indian rebellion of 1857.Two of the fort’s gates are notable: the “Delhi Gate” and the “Lahore Gate.” The Lahore Gate is also popularly also known as the Amar Singh Gate, for Amar Singh Rathore.
The 94-acre (380,000 m2) fort has a semicircular plan, its chord lies parallel to the river and its walls are seventy feet high. Double ramparts have massive circular bastions at intervals, with battlements, embrasures, machicolations and string courses. Four gates[citation needed] were provided on its four sides, one Khizri gate opening on to the river.
The imposing red sandstone walls of the Red Fort in Agra were erected by the moghul ruler Akbar. Akbar laid the stones on top of an existing brick fort used by the Lodhi Sultans, who ruled northern India before the conquering moghuls swept down from Uzbekistan. The fort has been in continuous use as a military defense since (at least) the 11th century A.D. Even today, about ¾ of the fort is occupied by forces of the Indian Army. This is the Amar Singh gate.
Built by Emperor Akbar between 1565 and 1571. The Jehangiri Mahal was built for Akbar's son, Jehangir. This is one of the few remaining original buildings within the fort, others having been demolished and replaced by marble rather than sandstone.
It is easy to see where the fort got its name from 
Agra Fort is a UNESCO World Heritage site located in Agra, India. The fort is also known as Lal Qila, Fort Rouge and Red Fort of Agra. It's one of those monuments that is left out of the spotlight due to the popularity of other monuments. The Taj Mahal is a beautiful and wonderful construction, but the Red Fort of Agra contains so much more history.
