The name is Jai Baan. It’s a really big cannon located at Jaigarh Fort in Jaipur. To put the size in perspective, the top of the wheels are 9 feet high. It was supposed to be able to shoot a cannon ball 35 kilometers, about 20 miles. The cannon, or the fort, were never captured by the enemy. It’s supposed to be the world’s largest non-mechanized cannon.