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:

Mar 16, 2023Panda Day
Apr 17, 2023International Haiku Poetry Day
May 29, 2024World Otter Day
Nov 11, 2023Veterans Day
Jul 30, 2024San Gimignano, Siena Tuscany, Italy
May 26, 2025Memorial Day
Aug 19, 2022National Aviation Day
Mar 2, 2020And to think that I saw it in Cappadocia
Apr 13, 2020Floating temples in the Land of Smiles
Feb 18, 2024World Whale Day
Jul 21, 2020Belgium celebrates its independence
Sep 12, 2024World Dolphin Day
Jan 10, 2021China s colorful terraced pools
Oct 1, 2019It s Coffee Day
Jan 12, 2021Sailing on thick ice
Mar 28, 2023The Tre Cime di Lavaredo, Italy
Jul 24, 2022Amelia Earhart
Nov 13, 2024Sea lion in a kelp forest, Baja California, Mexico
Nov 23, 2021Fibonacci Day
Apr 14, 2020A day for the dolphins
Apr 22, 2019Meet our fuzzy Earth Day mascot
Jun 11, 2020A midsummer twilight s dream
Mar 3, 2024World Wildlife Day
Dec 10, 2019Congratulations, 2019 Nobel Prize laureates!
May 8, 2025World Donkey Day
Oct 13, 2022Alaska moose
May 10, 2022Gifford Pinchot National Forest
Nov 30, 2018In the Highlands for Saint Andrew s Day
Feb 22, 2020It s not always sunny in Abu Simbel…
Sep 3, 2023Skyscraper Day