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:

May 20, 2019The island fox’s incredible comeback
Jul 1, 2020Canada s $20 view
Sep 12, 2019Astrotourism at its finest
Jun 19, 2020Celebrating freedom
Apr 13, 2026International Dark Sky Week
Jun 21, 2023Summer solstice
Mar 27, 2023New York City skyline
Feb 8, 2021A hero for the 21st century
Apr 30, 2018Swinging into International Jazz Day
May 9, 2018Longtailed widowbird at Rietvlei Nature Reserve, South Africa
Oct 6, 2025Anshun Bridge, Chengdu, China
Mar 2, 2018Satellite image of sand and seaweed in the Bahamas
Mar 28, 2022Kawachi Fuji Garden
Dec 27, 2018A wonderland in winter
Apr 18, 2026World Heritage Day
Feb 13, 2018Preservation Hall in New Orleans, Louisiana
Oct 11, 2019Art in the high desert
Feb 9, 2025Alstrom Point, Lake Powell, Utah
Jan 3, 2024J.R.R. Tolkien Day
Aug 8, 2023Infinity Day
Apr 9, 2021A timeless view of the night sky
Jun 17, 2026Tremola Road on the Saint Gotthard Pass in Airolo, Switzerland
Sep 13, 2024Point Reyes National Seashore, California
Nov 11, 2025Marine Corps War Memorial, Arlington, Virginia
Jun 8, 2018Green sea turtle on World Oceans Day
Oct 8, 2018Float on
Jul 8, 2024National Blueberry Day
Feb 14, 2022Maldives
Mar 1, 2018Stari Most in Mostar, Bosnia and Herzegovina
Jul 13, 2025Iceland for International Rock Day