Aspens after Morning Rain (2004)
Ashley National Forest, UT
Aspens in Early Summer (2009)
Ashley National Forest, UT
Maple and Redbuds, Early Spring (2013)
Great Smoky Mountains National Park, North Carolina
First Snow in the San Juans (1998)
Uncompaghre National Forest, Colorado
New Snow, Yosemite (1998)
Yosemite National Park, California
Woodland Stream in Fall (2006)
Cuyahoga Valley National Park, Ohio
Storm Over the Green River (1997)
Canyonlands National Park, Utah
Spider Woman´s Rock in Canyon del Muerto (2001)
Canyon de Chelly, Navajo Nation, Arizona
Dawn Light on Inner Doorways (2001)
Chaco Culture National Historic Park, New Mexico
Sierra Aspens (2003)
Near Conway Summit, Mono County, California
Appalachian Autumn (2003)
Great Smoky Mountains National Park, Tennessee
Autumn Mosaic Below the Raggeds Range (1998)
White River National Forest, Colorado
Rhododendron and Fog (1999)
Redwood National Park, California
Dogwoods along the Merced River (2001)
Yosemite National Park, CA
Cascade and Fallen Leaves (2006)
Cuyahoga Valley National Park, Ohio
Spring on the Carrizo Plain (2005)
Carrizo Plain National Monument, California
Sun through Morning Mist (2001)
Acadia National Park, Maine
Frens Under Fall Aspens (1998)
Gunnison National Forest, Colorado
Morning Light on Late Fall Color (2003)
Great Smoky Mountains National Park, North Carolina
Fallen Tree on Eagle Creek (1999)
Columbia River Gorge, Oregon
Oaks and Aspens (2000)
San Juan National Forest, Colorado
After a Summer Rain, Ghost Ranch (2001)
Near Abiquiu, New Mexico
Boulders, Anza-Borrego Desert (1997)
Anza-Borrego Desert State Park, California
Pines on the Canyon Wall (2004)
Yellowstone National Park, Wyoming
Grand Canyon from Moran Point (1998)
Grand Canyon National Park, Arizona
Desert Monolith (2014)
Capitol Reef National Park, Utah
First Light on the Maroon Bells (1998)
White River National Forest, Colorado
Winter Sky at Pfeiffer Beach (1999)
Big Sur Coast, California
Moonrise over Death Valley (2003)
Death Valley National Park, California
Grand Manan Island at Dusk (2005)
From the Maine Coast Near West Quoddy Head
Red Maples Reflected (2001)
Acadia National Park, Maine
Verbena and Evening Primrose (1998)
Anza-Borrego Desert State Park, California
Magic Light, Death Valley Dunes (1998)
Death Valley National Park, California
Dune Pattern (2008)
Great Sand Dunes National Park, Colorado
Slickrock Composition (2004)
Zion National Park, Utah
Forest Floor in Summer (2006)
Cathedral Woods Preserve, Ashtabula County, Ohio
Early Frost (2002)
Yosemite National Park, California