The United States is a bucket-list nation for wildlife lovers and animal photographers. The country is home to some of the most incredible national parks in the world which are also UNESCO World Heritage Sites with stunning landscapes. These parks have canyons, ancient forests and geothermal ponds. While there are 63 designated national parks in the USA, a select few hold global importance, recognized as UNESCO World Heritage Sites. These protected areas are home to the planet’s most unique animals.source https://timesofindia.indiatimes.com/life-style/travel/destinations/5-must-visit-national-parks-in-the-usa-that-are-also-unesco-world-heritage-sites/photostory/125621072.cms