An atlas is a book of maps. Open an atlas and you'll find page after page of maps showing countries, states, oceans, mountains, and cities. World atlases show every continent and nation. Road atlases help travelers navigate highways and find their way through unfamiliar places.

Modern atlases do more than show borders and roads. They might include maps of population density, climate zones, historical empires, or natural resources. A good atlas turns geography into something visual and comprehensible, helping you understand not just where places are, but how they relate to each other. When you're curious about where Madagascar is or what countries border Brazil, an atlas gives you answers you can see and explore, making the vast world feel more knowable and less mysterious.