What is the old saying about Texas? “Everything is bigger in Texas!”. This saying now includes a particular type of knife, known as the Bowie Knife. The new edition to Bowie, Texas is the World’s Largest Bowie Knife, measuring an astounding 20 feet long. The blade itself is 14 feet 5 inches in length and made purely from steel. This spectacular sight weighs in at 3,000 pounds, good luck fitting this in your pocket.