Size Country
1,6 km diameter (Sunset Crater)
143 km² (Wupatki National Monument)
9,103 km² (Walnut Canyon)
United States of America

In a rewarding day of driving, I discovered the surprising Sunset Crater, the historic Wupatki National Monument and the remarkable Walnut Canyon. As I admired their unique characteristics, I was also astounded by its closeness to my residential city Flagstaff.

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