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:

Aug 30, 2019It s fair season
Apr 4, 2021A yearly sign that spring has sprung
Sep 24, 2024Skaftafell, Vatnajökull National Park, Iceland
May 28, 2021Freeloaders of the avian world
May 1, 2025Lei Day in Hawaii
Aug 30, 2024International Whale Shark Day
Apr 26, 2022Landscape Architecture Month
May 10, 2022Gifford Pinchot National Forest
Jun 26, 2019Get amped for Glastonbury
Jan 26, 2026Neuschwanstein Castle, Bavaria, Germany
Jan 28, 2019Ancient groves in Australia
May 9, 2023A castle fit for a count
Jul 16, 2023Bear Hole Brook, Catskill Mountains, New York
Feb 4, 2020Rock of ages
Aug 9, 2024International Day of the Worlds Indigenous Peoples
Mar 26, 2021The wild heart of Tasmania
Jul 1, 2022Tour de France
Jan 20, 2019It’s Penguin Awareness Day
Apr 23, 2026Shakespeare Day
Dec 21, 2021Winter solstice
Jul 8, 2021A storied trail marks a century
May 4, 2023Star Wars Day
Mar 14, 2025Celebrating Pi Day
Apr 17, 2022Easter
Apr 11, 2018Zhangjiajie National Forest Park in Hunan Province, China
Jan 4, 2019Observing World Braille Day in Bavaria
May 4, 2024Star Wars Day
Sep 5, 2019A lush, green escape
Nov 12, 2023Diwali
Jul 19, 2018Cosplay strongly encouraged