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:

Nov 27, 2021Penn Station
May 13, 2018Happy Mother’s Day
Jan 12, 2025Crescent-tail bigeye fish, Great Barrier Reef, Australia
May 26, 2018Honoring the first American woman in space
Jul 9, 2024Talampaya National Park, Argentina
Feb 18, 2025The Great Blue Hole, Belize
Dec 10, 2021Arctic fox in Norway
Aug 28, 2019Florentine garden brings generations together
Apr 9, 2020Hooray, hooray, it s Unicorn Day!
Mar 11, 2020Anybody out there?
May 6, 2018A wetland in Västmanland, Sweden
Nov 6, 2021World Numbat Day
Nov 28, 2021Celebrating Panama s independence
Jul 1, 2025Happy Canada Day!
Oct 16, 2021Unearthing a queen s lost tale
Feb 23, 2022Point Reyes National Seashore
Sep 22, 2020Happy Hobbit Day
Jul 22, 2019Let’s go mothing
Aug 17, 2020A giant relic in Java
Apr 5, 2018Mada’in Saleh archeological site in Saudi Arabia
Jul 19, 2020Venice by night
Feb 5, 2026Salt evaporation ponds on the island of Gozo, Malta
Apr 13, 2022Mitsumata blossoms
Aug 28, 2020A prison fit for a count
Jan 10, 2019‘You should see the one that got away!’
Dec 17, 2018We have liftoff!
Mar 15, 2021Every day is Napping Day for this screech owl
Mar 8, 2018Celebrate International Women’s Day
Sep 16, 2018Mexico celebrates its Independence Day
Jan 17, 2018Train crossing the Tadami River in Japan