Astronomy Day and National Public Lands Day Sep 27, 2025

When the calendar lines up just right, you get a rare double feature: National Public Lands Day and Astronomy Day. It"s a chance to explore the landscapes that ground us and the skies that inspire us—all within 24 hours.

© Austin Trigg/TANDEM Stills + Motion

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Today in History

Sep 27, 2018High seas commerce
Sep 27, 2019Ancient storage in the Grand Canyon
Sep 27, 2020Take me to the river
Sep 27, 2021Sharp-dressed bug
Sep 27, 2022Upper Geyser Basin, Yellowstone National Park
Sep 27, 2023Via Krupp, Capri, Italy
Sep 27, 2024Basilica of Santa Maria della Salute, Venice, Italy

More Desktop Wallpapers:

Jun 27, 2018In search of roadside attractions on ‘America’s Highway’
Apr 16, 2024Union Square, Manhattan
Jul 12, 2022Bay Marker Lookout, Sydney Olympic Park, Australia
Sep 20, 2024Ocracoke Lighthouse on Ocracoke Island, North Carolina
Feb 17, 2021The persistence of Perito Moreno
Jan 22, 2020A horse of many colors
Jan 14, 2024Whooper swans in Lake Kussharo, Japan
Jun 18, 2024Lupine fields, Snæfellsnes, Iceland
Dec 5, 2018’Chess on ice’
Jan 23, 2026Þorrablót, Icelandic midwinter festival
Jan 9, 2026Muir Woods National Monument anniversary
May 6, 2022Bluebells in Hertfordshire, England
Mar 15, 2022Beware the Ides of March
Dec 25, 2019Merry and bright
Jan 31, 2020Dance of the egret
Feb 28, 2019Over and under the delta
Dec 8, 2020A fortress in the sky
Dec 12, 2025National Poinsettia Day
Aug 7, 2018Guiding ships to safety
Jun 10, 2019Ponta da Piedade rock formations in Portugal
Sep 29, 2019Falling for Rioja
Feb 7, 2025Blue hour in Trondheim, Norway
Jan 17, 2021On the Route of the Waterfalls
Nov 5, 2022Tigh Mor Trossachs on Loch Achray, Scotland
Feb 6, 2023Fiordland National Park, New Zealand
Nov 25, 2021Happy Thanksgiving
Nov 6, 2020Life in the slow lane
May 7, 2024A duckling swimming in a water meadow, Suffolk, England
Jun 19, 2021Surf s up—Down Under
Dec 7, 2022National Pearl Harbor Remembrance Day