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:

Apr 8, 2023The Giants Causeway, Northern Ireland
Sep 22, 2023World Rhinoceros Day
Feb 5, 2023Monarch butterflies, Pismo Beach, California
Sep 3, 2019In the Most Serene Republic
Oct 9, 2018A history of Vinland
Oct 25, 2024Frankenstein Friday
Feb 19, 2018Thomas Jefferson Memorial, Washington, DC
Sep 9, 2018Welcome to ‘Hollywood North’
Dec 6, 2019 America s Playground by Derrick Adams
Jun 18, 2021A city of bridges
Aug 26, 2020Spotted Lake emerges
Jan 26, 2021It s Australia Day
Jul 12, 2023Nakupenda Beach Nature Reserve, Zanzibar, Tanzania
Jun 9, 2025Old City of Dubrovnik in Dalmatia, Croatia
Aug 14, 2022World Lizard Day
Jan 26, 2024Northern hawk-owl
Aug 29, 2021Notes from an underground lake
Dec 15, 2022Borovets ski resort in Bulgaria
Jul 30, 2023Palouse farmland, Washington state
Jun 13, 2023Okefenokee Swamp
Jun 10, 2019Ponta da Piedade rock formations in Portugal
May 2, 2024Craters of the Moon centennial
Feb 7, 2021It s superb owl Sunday
Feb 6, 2018Maritime forest on Cumberland Island, Georgia
Jun 7, 2018Humpbacks return to the Inside Passage
Dec 9, 2019Let s crack the code
Dec 4, 2025International Cheetah Day
Aug 21, 2026Winding road of Julier Pass, Switzerland
Oct 6, 2021A valley view at 9,000 feet
Jun 13, 2021Bear watching in the Finnish forest