From Alaska’s wild Arctic to California’s secret islands, uncover 5 lesser-known national parks that outshine even the big names.

Guadalupe Mountains National Parks may be one of the most remote in the U.S., but it's also one of the most unique.

Fireflies hover in the mountains over Yamagata, Japan. Light pollution from cities is one of the greatest threats to the insects' survival. Speaking for European populations, De Cock says many ...

Pigeon Forge’s neighbor, Gatlinburg, as viewed from Great Smoky Mountains National Park. (Photo by David Dickstein) Looking at the two most vibrant family-friendly vacation destinations in ...

Birds, bees, bears, dragonflies, salamanders, hemlocks, fungi: scientific research in Great Smoky Mountains National Park addresses a wide swath of subjects. From Tennessee, North Carolina ...

In the clip, multiple visitors at Great Smoky Mountains National Park moved close to what appears to be a black bear cub to take pictures and get a good look as the cub shimmied down a tree and ...

And then, slowly, something incredible unfolds. A rhythm of pulsating light illuminates Great Smoky Mountains National Park. The Smokies hold the distinction of being one of a few places in the ...