Tony Foster, Denali and Wonder Lake Looking South from Ansel Adams Point, 2014. Watercolor and graphite on paper, acrylic, bone, leather, glass beads, glass tubes, oil, gold, cork, wax, wood, map. 36 x 54 in. | 3 1/2 x 10 in. Photo by Trevor Burrows Photography. Courtesy of Foster Art & Wilderness Foundation.

Tony Foster painting in Denali National Park, Alaska, August, 2014. Photo by Becky Williamson. Courtesy Foster Art & Wilderness Foundation.

(Painting is Denali and Wonder Lake Looking South from Ansel Adams Point, 2014. Inventory #2007.1.6)

Tony Foster, Looking Out from Deer Cave, Mulu—Six Days, 2015. Watercolor and graphite on paper, beads (wood, glass, plastic), filament, animal tooth, map, glass button, acrylic box. 36 1/4 x 36 1/8 in. | 3 1/2 x 26 in. Photo by Trevor Burrows Photography. Courtesy of Foster Art & Wilderness Foundation.

Tony Foster with his painting above Gokyo Ri, Mount Everest. Photo by Mike Nathan. Courtesy of Foster Art & Wilderness Foundation.

Tony Foster, Dive 106—Vilamendhoo, 2007. Watercolor and graphite on paper, crayon-pencil on plastic film. 10 x 10 in. Photo by Trevor Burrows Photography. Courtesy of Foster Art & Wilderness Foundation.

Tony Foster drawing underwater in the Maldives, 2007. Photo by Glenn Parrot. Courtesy of Foster Art & Wilderness Foundation.

Tony Foster, Twenty-Three Days Painting the Canyon—From West of Navajo Point, 2013. Watercolor and graphite on paper, map, stone arrowhead by Homer Etherton. 46 1/4 x 84 in. | 5 3/4 x 77 1/4 in. | 2 x 6 3/4 in. Photo by Trevor Burrows Photography. Courtesy of Foster Art & Wilderness Foundation.

Tony Foster painting at Navajo Point in the Grand Canyon, Arizona, USA. May 23, 2013. Photo by Mike Buchheir. Courtesy of Foster Art & Wilderness Foundation.

Tony Foster, Wistman’s Wood Looking SSW, 2013. Watercolor and graphite on paper, map, oak leaf, acrylic box. 36 x 52 7/8 in. | 5 1/4 x 29 1/2 in. | 2 1/4 x 6 1/4 in. Photo by Trevor Burrows Photography. Courtesy of Foster Art & Wilderness Foundation.

Tony Foster, Fall Colour in Great Meadow, Concord, 2012. Watercolor and graphite on paper, maple leaf, acrylic box, map. 36 x 52 3/4 in. | 3 3/8 x 47 5/8 in. Photo by Trevor Burrows Photography. Courtesy of Foster Art & Wilderness Foundation.

Tony Foster backpacking with equipment in the Grand Canyon. Courtesy of Foster Art & Wilderness Foundation.

Tony Foster painting at Kaieteur Falls, Guyana, September 2002. Photo by Mike Nathan. Courtesy of Foster Art & Wilderness Foundation.

Tony Foster painting the volcano Nevado Sajama, Bolivia. 1997. Photo by Bill Vanderbilt. Courtesy of Foster Art & Wilderness Foundation.