You can almost picture them squaring off in a boxing ring: Yosemite’s majestic Half Dome vs. Yellowstone’s gushing Old Faithful or the prickly vegetation of Joshua Tree up against the swampy mangroves of the Everglades. America’s National Parks really are fascinating. But why should we tell you which one is best? Vote up your favorite National Park below to help determine which is the greatest of them all.
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