eParks.com is the official online store of America national parks of America and is operated by Eastern National. Founded in 1947 EN provides critical funding and support for educational and interpretive programs in America’s national parks and other public trusts. Since its inception. eParks.com is the official online store of America national parks of America and is operated by Eastern National. Founded in 1947 EN provides critical funding and support for educational and interpretive programs in America’s national parks and other public trusts. Since its inception.