January 2018
Free desktop calendar wallpaper for January 2018 featuring beautiful, snow-clad Mount Shasta reflected in Lake Siskiyou.
February 2018
Free desktop calendar wallpaper for February 2018 featuring a clear, winter morning sunrise over Cook's Meadow in Yosemite National Park.
April 2018
Free desktop calendar wallpaper for April 2018 featuring a misty sunrise over Mount Shasta on Easter Morning.
May 2018
Free desktop calendar wallpaper for May2018 featuring a beautiful spring sunrise over Half Dome at Washburn Point in Yosemite National Park.
June 2018
Free desktop calendar wallpaper for June 2018 featuring dew covered purple lupine in Redwood National Park at sunrise.
July 2018
Free desktop calendar wallpaper for July 2018 featuring the sunflower carpeted fields of Yolo County, in Northern California's beautiful Central Valley.
August 2018
Free desktop calendar wallpaper for August 2018 featuring the sun-kissed grapevines of Amador County, in Northern California's beautiful Sierra Nevada foothills.
September 2018
Free desktop calendar wallpaper for September 2018 featuring a colorful sunrise over the Sawtooth mountain range in Idaho.
November 2018
Free desktop calendar wallpaper for November 2018 featuring Mount Sneffels, the highest summit of the Sneffels Range in the Colorado Rockies, which cast a beautiful reflection in a tranquil pond. www.optimalfocusphotography.com
December 2018
Free desktop calendar wallpaper for December 2018 featuring early morning sunshine burning the wet mist off Yosemite Valley floor with the iconic Three Brothers in the background. www.optimalfocusphotography.com
