Ranni Kot
Hyderabad, Pakistan
About
This is the world's largest fort, surrounded by 34 KM long and 6 ft to 15 ft wide wall. Its known as Ranni Kot and about 1000 years old. The long and wide wall quite resembling to Great wall of China, surrounds two Forts, One is Miri Fort and the other is known as Sher Garh.