Do you know where this mystery location is? Send your guess to Jane at jmulcahy@ngs.org with the subject line “Tuesday Mystery Quiz” for your chance to win an awesome prize from National Geographic! 

Hint: The iconic features of this National Park, which spans the border of the United States and Canada, are suffering the effects of global warming.

            Monday’s Answer: New York City                              (c) GeoEye 2009