The Pima Air & Space Museum in Tucson, Arizona is a massive collection of over 400 historic aircraft, from the Wright Flyer to a 787 Dreamliner, spread across 80 acres. With six indoor exhibit hangars and various events like the Great Paper Airplane Fly-Off and Props & Pints Beer Fest, it's a must-visit for aviation enthusiasts and history buffs. Plus, leashed pets are welcome!