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:

Jan 18, 2026White Sands National Park, New Mexico
Nov 20, 2021World Children s Day
Jan 19, 2021The ruins of a Maya superpower
Dec 10, 2022Salar de Uyuni in Bolivia
Nov 4, 2021Diwali
Mar 17, 2022St. Patrick s Day
Oct 15, 2024Great wildebeest migration at Mara River, Kenya
Apr 21, 2023Procida, Italy
Dec 20, 2024Santa Claus Village in Rovaniemi, Lapland, Finland
Mar 26, 2024Vinh Hy Bay, Vietnam
Jun 4, 2020A bridge too Fawr
Jul 25, 2022National Merry-Go-Round Day
Apr 23, 2025Shakespeare Day
Apr 7, 2026International Beaver Day
Jul 21, 2025Coral Reef Awareness Week
Jul 27, 2018Composite image of a lunar eclipse
Dec 14, 2019The Christmas Bird Count begins
Jul 20, 2025Moon Day
Jan 23, 2022Wedded Rocks, Japan
Mar 2, 2024Modica, Sicily, Italy
Jan 28, 2021Avatars of the Wolf Moon
Jul 2, 2018Keep watching the skies
Mar 4, 2020A different kind of dive
Jan 21, 2019A day of service for Dr. King
Sep 16, 2023Oktoberfest begins
Apr 28, 2020Happy 800th, Salisbury Cathedral
Nov 27, 2019Have you turned off your electronic device?
May 14, 2021A misty morning in Brazil
Feb 23, 2025Mount Fuji Day
Aug 15, 2024Hang Sơn Đoòng Cave, Vietnam