Pop culture fans and trivia lovers will delight in National Geographic's highly browsable, freewheeling compendium of customs, notions and inventions that reflect human ingenuity throughout history. Dip into any page and discover extraordinary hidden details in the everyday that will inform, amuse, astonish, and surprise. From hand tools to holidays to weapons to washing machines, this book features hundreds of colorful illustrations, timelines, sidebars, and more as it explores just about every subject under the sun. Who knew that indoor plumbing has been around for 4,600 years, but punctuation, capital letters, and the handy spaces between written words only date back to the Dark Ages? Or that ancient soldiers baked a kind of pizza on their shields-- when they weren't busy flying kites to frighten their foes?