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:

Jul 4, 2022Independence Day
Feb 6, 20262026 Winter Olympics
Mar 6, 2018Celebrating National Dentist Day
Sep 8, 2022Seville, Spain
Apr 1, 2024April Fools Day
Feb 4, 2026Rosa Parks Day
Jan 29, 2018Vacuum Chamber 5 at Glenn Research Center
Sep 19, 2025Thousand Islands region, St. Lawrence River, US-Canada border
Jul 22, 2018Travel Sunday: On the Ganges in Varanasi, India
May 13, 2025Torres del Paine National Park in Patagonia, Chile
Feb 21, 2021Overlooking the Douro
Nov 29, 2018A Christmas market with a long history
Sep 30, 2020All eyes on moths
Apr 11, 2022Fiddlehead fern fronds
Jun 4, 2018Lighting it up for Vivid Sydney
Jul 11, 2023World Population Day
Jul 7, 2019Traffic jam on the caribou highway
Aug 10, 2020Kings of the Kalahari
May 4, 2021Happy Star Wars Day!
Feb 19, 2021Colorful cows of the reef
Jun 9, 2020Gem State views
Feb 25, 2018Bryce Canyon National Park, Utah
Aug 25, 2020Punakaiki on South Island, New Zealand
Dec 25, 2024Merry Christmas!
Feb 4, 2019Sitting down and taking a stand
Jun 23, 2019Adorable activism
Sep 6, 2023Rethymno, Crete, Greece
Aug 11, 2018Lace up your hiking boots for Mountain Day
Aug 3, 2025Blooming sunflowers
Jan 30, 2022Halo around the sun