UNITED STATES The number of people who visit America’s national parks is staggering—in 2014 it was nearly 70 million. Wonder which parks are the most popular? Here are the top ten. (Nat Geo Travel) Check out our collection of resources on national parks. Teachers, scroll down for a quick list of key resources, including a link to today’s MapMaker Interactive map! Discussion Ideas Compare the … Continue reading Our Most Popular National Parks