Rank America's 63 national parks by size, and Great Smoky Mountains comes in middling. But scientists have identified a…
From @natgeo on Instagram — 269.0M followers · See full profile →
Rank America's 63 national parks by size, and Great Smoky Mountains comes in middling. But scientists have identified a stunning range of some 23,000 species there, famously including more salamander varieties than anyplace else on Earth. See more Wonders of America at the link in bio. Video by @bystephanievermillion