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:

Dec 27, 2024Lake Bled, Slovenia
Sep 15, 2025Dallas Latino Cultural Center for Hispanic Heritage
Jan 23, 2020Across the great plains of Africa
Oct 4, 2018From Sputnik to extraterrestrial storms
Jul 19, 2024A young jaguar on a riverbank, Pantanal, Brazil
Sep 12, 2020A city, a cliff, a canyon…and cheese
Apr 16, 2022National Park Week begins
Dec 13, 2023Svolvaer, Lofoten Islands, Norway
Mar 12, 2019The otherworldly red river
Dec 1, 2020Giving Tuesday
Apr 10, 2024Siblings Day
Oct 28, 2021Necropolis of Dargavs
Nov 23, 20191, 1, 2, 3: It s Fibonacci Day!
Nov 9, 2023Birch trees, Drammen, Norway
Sep 21, 2023International Day of Peace
Jun 23, 2023Pollinator Week
Mar 28, 2018Great Salt Lake Shorelands Preserve in Layton, Utah
Feb 2, 2026Groundhog Day
Dec 24, 2021Smoking nights in Austria
Jan 8, 2023Breckenridge, Colorado
Aug 28, 2019Florentine garden brings generations together
Sep 5, 2018Salmon migration in full swing
Sep 12, 2018A cutting-edge art gallery opens in Paris
Aug 22, 2020A monster view in Scotland
Aug 27, 2025World Lake Day in the Faroe Islands
Mar 31, 2018Cherry blossoms at the National Mall, Washington, DC
Apr 7, 2023International Beaver Day
May 22, 2023International Day for Biodiversity
Nov 11, 2025Marine Corps War Memorial, Arlington, Virginia
Aug 1, 2019Hawaii Volcanoes National Park turns 103