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:

Apr 20, 2018No, it s not a leaf. Happy Look-alike Day
Feb 20, 2023Presidents Day
Jan 17, 2021On the Route of the Waterfalls
Sep 7, 2025Gdańsk on the banks of the Motława, Poland
Sep 9, 2020Where the bearded reedling sings
Feb 22, 2021Invisible no longer
Jun 3, 2021Get on your bike and ride
Mar 12, 2021Ringing in the new year at Teotihuacan
Oct 2, 2019Wild scene on the Merced River
May 4, 2020It s Star Wars Day
Feb 2, 2025Groundhog Day
Nov 8, 2019Chapel on the rock
Jul 20, 2021Fly me to the moon
May 12, 2025An iris garden in Tokyo, Japan
Jul 22, 2020Wildebeest on the move
Nov 26, 2020Happy Thanksgiving from an expert face-stuffer
Sep 16, 2020It s Independence Day in Mexico
Oct 8, 2018Float on
Jan 22, 2024Walton Lighthouse, Santa Cruz, California
Nov 29, 2020New Zealand s loneliest mountain
Jan 1, 2025Happy New Year!
Apr 23, 2021A house of grand scale(s)
May 20, 2021Happy Bee Day to you
Mar 16, 2019Quilts as high art
May 1, 2023Asian American and Pacific Islander Heritage Month
Oct 23, 2025International Day of the Snow Leopard
Jun 27, 2021Bathing in the light of Pride
Oct 11, 2025World Migratory Bird Day
Dec 5, 2023Neuschwanstein and Hohenschwangau castles, Bavaria, Germany
Aug 29, 2023American bison, Grand Teton National Park, Wyoming