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
Sep 27, 2026Decorator crab on a sea pen, Komodo National Park, Indonesia

More Desktop Wallpapers:

Nov 3, 2020Vote!
Sep 29, 2019Falling for Rioja
Sep 28, 2024National Public Lands Day
May 15, 2018Celebrating the UN’s International Day of Families
Sep 21, 2023International Day of Peace
Feb 15, 2021Presidents hear the echo of history
Jul 29, 2026International Tiger Day
Dec 12, 2019On the lookout for Sheep-Cote Clod
Jun 29, 2022International Day of the Tropics
Feb 14, 2022Maldives
Nov 6, 2024Shi Shi Beach, Olympic National Park, Washington
May 6, 2024The Roaches ridge in the Peak District, England
Jul 29, 2024International Tiger Day
Jul 10, 2020Italy s submerged village
Feb 1, 2019‘Stepping’ into Black History Month
Nov 18, 2020An aviation celebration
Apr 13, 2021Ruins of a royal temple
Apr 3, 2022Lake Tai s cherry trees in bloom
Jan 13, 2020Welcome to California
Mar 10, 2018Johnston Canyon in Banff National Park, Alberta, Canada
Oct 3, 2023Whitehaven Beach, Whitsunday Island, Australia
Dec 23, 2023Festivus
Jan 26, 2019Visiting a Maratha fortress
Mar 20, 2024National Cherry Blossom Festival
Jan 11, 2018Bow Bridge in Central Park, New York City
Dec 12, 2022Poinsettia Day
Mar 17, 2020It s a good day to be green
Feb 17, 2019Flock online for the Great Backyard Bird Count
Sep 20, 2022Sea Otter Awareness Week
Jan 3, 2022Lick Observatory