Haleakalā, a long-dormant volcano, looms 10,023 feet above the wave-lapped shoreline of Maui. It is Maui’s dominant landform, accounting for about three-quarters of the island’s surface area.
Long before anyone thought of national parks, folks were heading down into Mammoth Cave to see the sights. And if you've ever visited this incredible underground labyrinth, you understand why.
Grizzly bears and wolves don't always get along, but as this video footage obtained by USGS researchers in Glacier National Park demonstrates, sometimes they will tolerate each other.
What is it that intrigues us so about Olympic National Park? To be sure, the park's multiple personalities are alluring.
Mesa Verde National Park on the Colorado Plateau in southwestern Colorado offers visitors a spectacular look into the lives of the Ancestral Puebloan people (or Anasazi) who flourished for centur
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