- State: UT
- NPCA Region: Southwest
- Est. Date: 1910
Air Quality Conditions
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Climate Change Threats
Rainbow Bridge, found on the spectacular Colorado Plateau, is one of the world’s largest known natural bridges. Formed by the water erosion of the sandstone from the Aztec Canyon Stream, Rainbow Bridge stands 290 feet tall and is considered sacred by area Native American nations, including the Navajo and the Paiute.
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Blog Post
See a Sky Full of Stars at These Certified Dark-Sky Parks
Lay out a blanket after the sun goes down and see a clearer view of the galaxy at these designated dark-sky parks.
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Blog Post
Rock On: 11 Lesser-Known Geologic Wonders in National Parks
From mysterious gliding rocks in Death Valley to fossils of some of the most ancient life forms in Glacier, here are 11 lesser-known geologic wonders—including a few personal favorites from…
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