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

palette

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:

Feb 11, 2020Celebrating women in science
Sep 20, 2022Sea Otter Awareness Week
Jan 18, 2025Dunes at White Sands National Park, New Mexico
Jun 16, 2022Seonam Temple, South Korea
Jan 13, 2018Fire-damaged forest near Wolf Creek Pass, Colorado
Aug 5, 2024Lavender field, Hertfordshire, England
Sep 13, 2024Point Reyes National Seashore, California
Aug 26, 2021What are these creatures?
Nov 2, 2019A national icon
Nov 4, 2018And they’re off!
Feb 24, 2018A red fox on the Swiss side of the Jura Mountain range
Feb 16, 2026Presidents Day
Dec 9, 2023National Llama Day
Nov 29, 2021Rainbow Mountain
Oct 16, 2018Hey, who’s in charge here?
Feb 3, 2021The mountaintop of toppled gods
Jul 20, 2022National Moon Day
Jul 16, 2024Festival of British Archaeology
Oct 20, 2020Reflecting on fall
Mar 17, 2023St. Patricks Day in County Waterford, Ireland
Apr 7, 2025Happy International Beaver Day!
Jan 13, 2024Road to Hana, Maui, Hawaii
Feb 10, 2019Groovy!
Jun 2, 2019An island for the birds
Dec 2, 2025Alaska National Interest Lands Conservation Act anniversary
Apr 21, 2024National Park Week continues
Nov 5, 2022Tigh Mor Trossachs on Loch Achray, Scotland
Jun 4, 2023Waiānapanapa State Park, Maui, Hawaii
May 3, 2023Wildebeests in Maasai Mara, Kenya
Aug 24, 2022Ukrainian Independence Day