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:

Oct 20, 2025International Sloth Day
Dec 23, 2019A Festivus for the rest of us
Oct 23, 2023Corn maze in Saylorsburg, Pennsylvania
Jul 13, 2023International Rock Day
Sep 30, 2020All eyes on moths
Sep 17, 2025A young bull moose in Denali National Park, Alaska
Mar 14, 2022Pi Day
May 10, 2023Cordouan Lighthouse, France
Sep 16, 2023Oktoberfest begins
Mar 14, 2025Celebrating Pi Day
Jul 12, 2023Nakupenda Beach Nature Reserve, Zanzibar, Tanzania
Jan 14, 2018Sanday Island and the North Sea, Scotland
Apr 11, 2023Mossy Grotto Falls, Oregon
Jan 30, 2024Aýna, Albacete, Spain
Feb 27, 2021A snuggling ball of cute
Jul 16, 2020Summertime in Alaska
Sep 3, 2025Annivesary of the Wilderness Act of 1964
Aug 21, 2020Lobster tales
Nov 5, 2024US Election Day
Oct 15, 2025National Mushroom Day
Jan 1, 2020Napping away New Year s Day
Sep 22, 2022First day of autumn
Feb 11, 2023Milky Way over Zabriskie Point, California
Jul 1, 2022Tour de France
Nov 20, 2021World Children s Day
Sep 18, 2018A red knot on the Shetland Islands, Scotland
Jul 19, 2020Venice by night
Dec 18, 2021Full moon
Jun 4, 2024Chestnut-headed bee-eaters, Bardia National Park, Nepal
Feb 8, 2024Mount Hood, Oregon