Sunrises and sunsets often dazzle, but they'll have a special ring to them in a few days for people in the western United States and eastern Asia: The moon will slide across the sun, blocking everything but a blazing halo of light.
It's been almost two decades since a "ring of fire" eclipse was visible in the continental United States. To celebrate the end of that drought, nearly three dozen national parks in the path of the eclipse will host viewing parties.