He has broken a number of speed records, most notably the only known solo climb (95% free climbing with a few points of aid) of the Yosemite Triple crown, an 18 hour 50 minute link up of Mount Watkins, The Nose, and the Regular Northwest Face of Half Dome.
Traveling extensively in the Western United States from the 1890s through about 1920, she painted Cascade Range volcanoes such as Three Sisters, Mount Shasta, and Crater Lake; the Columbia River Gorge; Yellowstone Falls; Half Dome in Yosemite National Park; San Francisco Bay; Muir Glacier in Alaska, and hundreds of other spots.
In the 1980s, he climbed the hardest walls of Yosemite (including El Capitan and Half Dome), and in 1992 he climbed the largest rock wall in the world, Great Trango Tower
Two and a Half Men | Half Man Half Biscuit | Tokyo Dome | Puy-de-Dôme | Harry Potter and the Half-Blood Prince | Under the Dome | dome | Georgia Dome | Half Moon Bay, California | Half-Life | Half Moon Bay | Hancock's Half Hour | Half-Life (video game) | Edward Jones Dome | Under the Dome (TV series) | Millennium Dome | It Ain't Half Hot Mum | Half-Life 2 | geodesic dome | Tokyo Dome City Attractions | RCA Dome | Puy de Dôme | Osaka Dome | Harry Potter and the Half-Blood Prince (film) | Half the Sky: Turning Oppression into Opportunity for Women Worldwide | Half Dome | Dome Petroleum | Dome | Bio-Dome | Beaumont, Puy-de-Dôme |
Muir's connection to California's Yosemite Valley continues with the Half Dome Lounge and the dining hall Pines (formerly Sierra Summit).