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:

Aug 9, 2021A tribute to the ancestors
Nov 13, 2024Sea lion in a kelp forest, Baja California, Mexico
Aug 11, 2018Lace up your hiking boots for Mountain Day
Apr 15, 2020Art and soul
Dec 3, 2024Amber Fort, Jaipur, Rajasthan, India
Oct 6, 2020Water colors
Feb 11, 2020Celebrating women in science
Dec 13, 2023Svolvaer, Lofoten Islands, Norway
Aug 6, 2022San Francisco Bay salt flats
May 24, 2024European Day of Parks
Mar 11, 2020Anybody out there?
Jul 5, 2022Fannette Island, Lake Tahoe
Jan 22, 2026Karlovy Vary, Bohemia, Czechia
Sep 14, 2022Navajo Bridge in Marble Canyon
Aug 28, 2022Bearded reedlings in Flevoland
Nov 22, 2022Red fox in the Netherlands
May 31, 2022World Parrot Day
Mar 11, 2021Welcome to the drainpipe of the Pacific
Dec 1, 2022Antarctica Day
Apr 20, 2019Glacial spires in the fog
Jul 9, 2022Dolomites
Jan 30, 2025La Brecha de Rolando (Rolands Breach), Spain
Dec 5, 2022Saint Nicholas Day in Verbier, Switzerland
Jul 29, 2020Góða ólavsøku, from the Faroes!
Nov 5, 2022Tigh Mor Trossachs on Loch Achray, Scotland
Mar 29, 2024South Stack Lighthouse, Holy Island, Wales
Dec 8, 2018How lovely are your branches
Sep 17, 2023Cuban tody, Alejandro de Humboldt National Park, Cuba
Jan 18, 2020Sands of time
May 12, 2019The parenting of a piping plover