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 21, 2021The tale of squirrels like Nutkin
Aug 11, 2018Lace up your hiking boots for Mountain Day
Apr 21, 2022First day of summer
Mar 3, 2025World Wildlife Day
Dec 5, 2018’Chess on ice’
Jul 9, 2024Talampaya National Park, Argentina
Jan 7, 2021Of balloons and lost pantaloons
Dec 5, 2020A cozy winter village
May 27, 2025Mona Vale Rockpool, Sydney, Australia
Jan 30, 2024Aýna, Albacete, Spain
Nov 11, 2018Poppies for Armistice Day
Oct 21, 2018Welcome to El Cervantino
May 25, 2023Saksun, Faroe Islands, Denmark
Jan 8, 2025National Take the Stairs Day
Jun 3, 2020For the love of bikes
Feb 29, 2024Leap day
Jun 20, 2023American Eagle Day
Feb 26, 2020 The Crown Jewel of the North Atlantic
Feb 13, 2025Lake Tyrrell, Victoria, Australia
Jul 5, 2021How green is my valley
May 11, 2025Happy Mothers Day!
Feb 11, 2024Folegandros Island, Cyclades, Greece
Jan 10, 2021China s colorful terraced pools
Aug 2, 2024Virgin Islands National Park established
Feb 10, 2023Ancient theater of Epidaurus, Greece
Dec 24, 2021Smoking nights in Austria
Jan 11, 2024Eurasian lynx
Jul 7, 2025Northern gannets, Shetland Islands, Scotland
Dec 22, 2025The Nutcracker performed by the Turkish State Opera and Ballet in Türkiye
Jan 21, 2018Red squirrel in Cairngorms National Park, Scotland