Six Flags Great Adventure holds something pretty rare in amusement parks - two roller coasters with every attribute you would want in a ride, combined together to make sheer perfection. Nitro is one of the two rides (El Toro being the other). This gorgeous coaster is by far the smoothest ride I've ever ridden, and has amazing airtime on each of the hills. It's huge at 230 ft tall, and the seats, like most B&M hypercoasters, are the most comfortable in the park. The duration is very long and the line is worth every second. The feeling of being that free while going over the hills is a sensation unmatched in the park. Easily a 10/10.