- 2010 Hot Springs P & D
- 2010 Yosemite D
- 2010 Grand Canyon P & D
- 2010 Mount Hood P
- 2011 Gettysburg D
- 2011 Glacier P & D
- 2011 Olympic D
- 2011 Chickasaw D
- 2012 El Yunque P & D
- 2012 Chaco Culture P & D
- 2012 Acadia D
- 2013 White Mountain D
- 2013 Great Basin D
- 2013 Mount Rushmore P & D
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