etap I:
Zoom in on America: „Nature Grand”, Summer 2006 / summer1.pub
Zoom in on America: „Lights on the Great Lakes”, January 2009 / january1.pub
Zoom in on America: „Zion National Park”, April 2010 / Zoom-in-on-America-April-2010.pdf
Zoom in on America: „Niagara Falls”, June 2016 / Zoom-in-on-America-June-2016.pdf
Zoom in on America: „Maine”, March 2016 / Zoom-in-on-America-March-2016.pdf
etap II:
Zoom in on America: „Alaska”, December 2015 / Zoom-in-on-America-December-2015.pdf
Zoom in on America: „Yosemite”, February 2015 / Zoom-in-on-America-February-2015.pdf
Zoom in on America: „American Beaches”, July 2012 / Zoom-in-on-America-July-2012.pdf
Zoom in on America: „A Famous Slot Canyon in Arizona”, July 2013 / Zoom-in-on-America-July-2013.pdf
Zoom in on America: „Canyon de Chelly”, November 2011 / Zoom-in-on-America-November-2011.pdf
etap III:
Zoom in on America: „Hawaii”, June 2014 / Zoom-in-on-America-June-2014.pdf
Zoom in on America: „Horseshoe Bend and Dead Horse Point”, March 2014 / Zoom-in-on-America-March-2014.pdf
Zoom in on America: „Bryce National Park”, March 2013 / Zoom-in-on-America-March-2013.pdf
Zoom in on America: „Arches National Park”, February 2013 / february1.pub
Zoom in on America: „Death Valley”, February 2029 / february1.pub