This park in Nevada is the first to be certified by the International Dark-Sky Association.
This park in Texas has the least light pollution of any other national park in the lower 48 states.
These parks in California have many clearings between the groves of giant trees.
This park in Maine hosts an annual Acadia Night Sky Festival in September.
This park in California and Nevada is the largest International Dark Sky Park in the world.
This park in Utah has some of the darkest skies in North America.
This park in Montana has stunning views of the Rocky Mountains and the northern lights.
This park in Arizona is one of the most visited in the US, but also one of the best for stargazing.
This park in Utah has spectacular rock formations and canyons.
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