Photograph by Peter McBride, Nat Geo Image Collection 1. Great Smoky Mountains National Park More than 13 million visitors went to Great Smoky Mountains National Park in 2023. Travelers can ...

More than 300 million visitors explored America’s national parks last year, from Acadia in Maine to Zion in Utah.

After the discovery of the world's tallest tree, the area where the redwoods were would become Tall Trees Grove in Redwood ...