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:

Aug 22, 2018Summer’s in home stretch
May 13, 2019In praise of bogs, swamps, and marshes
Jan 14, 2019An island oasis in the Indian Ocean
Feb 11, 2018Te Rewa Rewa Bridge near New Plymouth, New Zealand
Nov 23, 20191, 1, 2, 3: It s Fibonacci Day!
Mar 31, 2020What a twist
Jan 3, 2019How do ladybugs winter?
Mar 4, 2026Purple crocus flowers, Seven Rila Lakes, Bulgaria
Jul 19, 2023Crescent Lake near Dunhuang, China
Apr 8, 2021I m here! Take a look at me!
Jan 7, 2025Moeraki Boulders, South Island, New Zealand
Aug 4, 2024Friendship Day
Aug 7, 2022National Lighthouse Day
Apr 27, 2019Aloe in bloom
Jul 5, 2019Peel Castle on St. Patrick’s Isle with the Isle of Man in the background
Feb 22, 2021Invisible no longer
Dec 13, 2019Taking the scenic route
Aug 13, 2018Look to the north sky tonight for the Perseids
Sep 25, 2024Sequoia National Parks 134th anniversary
Jan 17, 2021On the Route of the Waterfalls
Apr 5, 2026Easter Sunday
Jun 18, 2025Pollinator Week
Jul 22, 2023National Hammock Day
Sep 19, 2019Fall for birding
Aug 21, 2018Ingenuity in action on the Santa Monica Pier
Jul 6, 2020Welcome to the Ring of Fire
Jun 15, 2019Pasadena Chalk Festival supports local arts education
Jul 4, 2020Happy Independence Day!
Sep 26, 2018Art in the chapel
Jan 2, 2021A universe underground