It is a fact that America's national parks are among the most visited attractions in the world. The American parks continue to attract travellers from across the globe, welcoming millions of visitors each year.source https://timesofindia.indiatimes.com/life-style/travel/destinations/top-6-most-visited-national-parks-in-the-usa-every-nature-lover-should-experience-once-in-their-lifetime/photostory/132318999.cms