Sliding Sands Trail, Haleakala Volcano, Maui, Hawai'i
Fresh Pahoehoe Lava, Kilauea Volcano, Hawai'i
Walcott Quarry Site, Cambrian Burgess Shale, Yoho N.P., BC
Trilobites, Burgess Shale, Yoho N.P., BC
Parliament from the London Eye, London, U.K.
Westminster Abbey, London, U.K.
Great Sand Dunes National Monument, CO
Great Sand Dunes National Monument, CO
Monument Valley, UT
Goosenecks of the San Juan River, UT
Jose Ribas Climber's Refugio, (elev. 4864m/15958'), Cotopaxi Volcano, Ecuador
Switfcurrent Lake, Many Glacier, Glacier N.P., MT
East Glacier, MT
Minuteman Missile, Green Valley, AZ
Green Valley, AZ
Tonto Plateau, Kaibab Trail, Grand Canyon N.P., AZ
Blue Bronna, Oldman River Headwaters, AB
Oldman River Headwaters, AB
Columbia River northwest of Hanford, WA
