Take a look at the motorcycle on the picture above. This is "World's Tallest Rideable Motorcycle". It was constructed by Gregory Dunham of Stockton, California, USA. This rideable motorcycle is 3.429 m (11 ft 3 in) tall, 6.187 m (20 ft 4 in) long and weighs 2.948 tonnes (6,500 lb). It has two huge tyres that are 1.88 m (74 in) tall. This monster motorcycle is powered by a 8.2 litre (502 cu in) V8 engine. What to ride it? Well, before that watch the video!