- Death
Valley, 1997 [Gallery]
- Yosemite, 1998 [Gallery]
- Grand
Teton, 1998 [Gallery]
and
Yellowstone,
1998 [Gallery]
- Saguaro, 1998 [Gallery]
- Sequoia
and Kings Canyon, 1999 [Gallery]
- Rocky
Mountain, 2000 [Gallery]
- Yosemite, 2001 [Gallery]
- Lassen, 2001 [Gallery]
and Crater
Lake, 2001 [Gallery]
- Joshua
Tree, 2001 [Gallery]
- Ventura -
Channel Islands, 2002 [Gallery]
- Redwood,
2002 [Gallery]
- Grand
Canyon, 2003 [Gallery]
- Sequoia,
2003 [Gallery]
- Bryce
Canyon, 2004 [Gallery]
and
Zion, 2004 [Gallery]
- Death
Valley, 2004 [Gallery]
- Arches
and Canyonlands, 2005
[Arches
Gallery] [Canyonlands
Gallery]
- Kings
Canyon, 2005 [Gallery]
- Hawaii
Volcanoes, 2005 [Gallery]
- Olympic, 2006 [Gallery]
- Yosemite, 2006-2007
- Carlsbad and
Guadalupe, 2007
[Carlsbad Gallery]
[Guadalupe Gallery]
- Kings Canyon, 2007 [Gallery]
- Big Bend, 2008 [Gallery]
- Glacier,
2009 [Gallery]
- Kenai Fjords [Gallery]
and Denali, 2010 [Gallery]
- Joshua Tree, 2010
[Gallery]
- Yosemite, 2011 [Gallery]
- Everglades, 2012
[Gallery]
- Arches and Navajo
Nation, 2013 [Gallery]
- Great Basin,
2016 [Gallery]
- Yosemite, 2017
-
Kings Canyon & Sequoia, 2017 [Gallery]
- North
Cascades, 2018 [Gallery]
-
Petrified Forest, 2018 [Gallery]
- Haleakala, 2019
[Gallery]
- Dry
Tortugas [Gallery] and
Biscanye, 2019
- Lassen, 2020 [Gallery]
- Pinnacles, 2020
[Gallery]
- Death Valley,
2020 [Gallery]
- Yosemite, 2021 [Gallery]
- Joshua Tree,
2021 [Gallery]
- Cuyahoga Valley,
2021 [Gallery]
- Yosemite, 7/2021
[Gallery]
- Shenandoah, 2021
[Gallery]
- White Sands,
2021 [Gallery]
- Capitol Reef,
2021 [Gallery]
-
Virgin Islands, 2021 [Gallery]
-
Yellowstone, 2022
[Gallery]
-
Great Sand
Dunes, 2022 [Gallery]
-
Mount Rainier, 2022
[Gallery]
-
Wrangell-St. Elias, 2022 [Gallery]
-
Indiana Dunes, 2022

-
Acadia, 2022 [Gallery]

-
Yosemite, 2022

|
- Lake Tahoe,
1999 [Gallery]
- San
Diego, 2000 [Gallery]
- Antelope
Valley, 2001 [Gallery]
- Carmel, 2001
[Gallery]
- Santa
Barbara 2005 [Gallery]
- Hawaii, the
Big Island 2005 [Gallery]
- Eastern Sierra, 2008
[Gallery]
- Pinnacles, Carmel, Big Sur,
2009 [Gallery]
- Lake Tahoe, 2010
- New York, 2012
[Gallery]
- Washington,
D.C., 2012
- Florida, 2012 [Gallery]
- Chicago, 2013
- Chicago, 2014 [Gallery]
- East Coast, 2014
[Gallery]
- Yale, 2015
- Oahu, Hawaii, 2015 [Gallery]
- Los Angeles, 2015 [Gallery]
- Long Beach, 2016
- Pittsburgh, 2017
[Gallery]
-
Universal Orlando, 2017
- Carnegie Mellon
University, 2017
- Total
Solar Eclipse, Oregon , 2017
- East Coast, 2017
[Gallery]
- Boston, 2017 [Gallery]
- Sacramento, 2018
- Antelope
Valley, 2019
- Yale, 2019
- Maui, 2019 [Gallery]
- Key West, 2019 [Gallery]
- Boston, 2019
- Pittsburgh (CMU) -- Baltimore,
2021
- New York, 2021
-
Pittsburgh -- Baltimore, 2021
-
Albuquerque, 2021
-
US Virgin Islands, 2021 [Gallery]
-
Seattle, 2022 [Gallery]
-
Los Angeles, 2022
-
Baltimore --
Chicago, 2022

- Paso Robles, 2022

|
- Japan, 2002
[Gallery]
- Malaysia,
2004 [Gallery]
- Tokyo, 2004
- Central
Taiwan, 2004 [Gallery]
- Kyoto in Fall
Color, 2004
- Korea, 2005
- French
Alps 2005
- AliShan,
Taiwan, 2006 [Gallery]
- Netherlands, 2007
- Hualien, Taiwan, 2007
[Gallery]
- Hokkaido, Japan, 2007
[Gallery]
- Lyon, France, 2008
- Kenting, Taiwan, 2008
[Gallery]
- Beijing, 2010 [Gallery]
- Paris, 2011 [Gallery]
- Tanzania, 2011 [Gallery]
- Hong Kong, 2012
- Keukenhof,
Netherlands, 2012
- Toronto, 2012 [Gallery]
- Mexican Riviera, 2013
[Gallery]
- Spain, 2014 [Gallery]
- Grenoble, France,
2014
- Western
Mediterranean, 2015 [Gallery]
- Seoul, 2016
- Costa Rica, 2017
[Gallery]
- Europe, 2017 [Gallery]
- Angkor Cambodia, 2017
[Gallery]
- Antarctica, 2018
[Gallery]
- Patagonia, 2018 [Gallery]
- Danube, 2018 [Gallery]
- Singapore, 2018
[Gallery]
- New Zealand,
2019 [Gallery]
- Mexico Cruise,
2019
- Mongolia, 2019 [Gallery]
- Stockholm and
Kiruna, Sweden, 2019-2020
[Gallery]
- Siberia in Russian Far
East, 2020 [Gallery]
- Japan Wildlife, 2020 [Gallery]
- Peru, 2022 [Gallery]
-
Churchill Polar Bear,
2022 [Gallery]

-
Hanoi, Vietnam, 2022 [Gallery]

|