Here's a fun quiz from the Christian Science Monitor based on some iconic photography. If you know the parks, this shouldn't be too hard. Sometimes the other options are silly. Sometimes they don't exist.
And if you get just a little bit lucky you'll get them all right, like I did
http://www.csmonitor.com/USA/2015/1203/Can-you-identify-these-US-National-Parks-from-their-photos-Take-our-quiz/Park-1
Balzaccom
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