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 13, 2024Road to Hana, Maui, Hawaii
Oct 9, 2025Space Week isnt over yet!
Dec 30, 2023Daiichi Tadami River Bridge, Fukushima, Japan
May 31, 2026End of American Wetlands Month
Aug 17, 2022Freshwater plants in Aquário Natural, Brazil
Nov 4, 2024Grasmere, Lake District, Cumbria, England
Jul 18, 2025Gulf Islands National Seashore, Florida
May 30, 2023Playa del Amor, Marietas Islands, Mexico
May 15, 2022Lunar eclipse
Dec 11, 2023International Mountain Day
Aug 31, 2020At the shore of an inland sea
Apr 18, 2023International Day for Monuments and Sites
Apr 24, 2022Dark Sky Week
Jan 24, 2023Colle Santa Lucia, Dolomites, Italy
Aug 13, 2026Perseid meteor shower over Tenerife, Spain
Oct 27, 2023Sligachan Old Bridge, Isle of Skye, Scotland
Aug 14, 2020In the Navajo Nation for Code Talkers Day
Oct 3, 2020In the belly of Fat Bear Week
Oct 12, 2022Fossil Day
Jul 4, 2024Independence Day
May 20, 2026World Bee Day
Nov 26, 2022World Olive Tree Day
Feb 15, 2020Whales in winter
Mar 23, 2026World Meteorological Day
May 25, 2025Butchart Gardens in Brentwood Bay, British Columbia, Canada
Nov 2, 2024National Bison Day
Mar 7, 2021Finding a balance between wetlands and water treatment
Jan 28, 2021Avatars of the Wolf Moon
Nov 14, 2020Decorating for Diwali
Jun 27, 2018In search of roadside attractions on ‘America’s Highway’