The 2.2 million-acre park has 78 kid-friendly attractions.
America’s national parks have long been a favorite for family road trips.
But geology isn’t the only feature that draws kids' attention.
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Children can choose their own adventure in geology, hydrothermal, wildlife, history, or preservation.
The study used trail data fromAll Trails, and family travel data fromTripadvisorto come up with its rankings.
For the full list of parks, visitThe Family Vacation Guide.
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