I disagree about the north rim of the Grand Canyon. Everyone should see the magnificent view from the south rim once, but to camp, have a drink overlooking the canyon (admittedly not as steep as the south), hike and enjoy the brisk cool air (the north rim is a thousand feet higher), the north rim can't be beat.
It is a long boring drive up from the south. But if you are coming from Zion it is closer.
David
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