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:

May 22, 2019The artists come to Venice
Mar 31, 2023Steyr River, Austria
Mar 6, 2018Celebrating National Dentist Day
May 24, 2022European Day of Parks
Jan 6, 2023Black Fell in England s Lake District
Apr 2, 2018Seven Magic Mountains art installation, Jean Dry Lake, Nevada
Feb 9, 2021What s going on in this sky?
Oct 31, 2019Protect your neck
Mar 25, 2025Tolkien Reading Day
May 31, 2022World Parrot Day
Aug 10, 2024Joshua Tree National Park, California
Sep 1, 2022Wildlife crossing, Wierden, Netherlands
Mar 15, 2025Ides of March
Jun 8, 2019Diving into World Oceans Day
Jun 27, 2022Lavender fields on the Valensole Plateau in Provence, France
Jan 9, 2025Remembering Jimmy Carter
Jun 17, 2019World-class art comes to Arkansas
Nov 5, 2023Playa del Silencio, Spain
Jan 21, 2019A day of service for Dr. King
Jan 25, 2021Struck by Southwestern beauty
Dec 18, 2024English National Ballet performing The Nutcracker
Dec 13, 2020The view will stop you in your tracks
Dec 6, 2019 America s Playground by Derrick Adams
Aug 14, 2025Cable car station, Graubünden, Switzerland
Sep 15, 2018A Latino art exhibition in Denver
Dec 7, 2021Pearl Harbor Remembrance Day
Jun 10, 2018Travel Sunday: Sintra, Portugal
Oct 25, 2022 Park of the Monsters, Bomarzo, Italy
Aug 12, 2020King of the dinosaurs
Oct 12, 2024World Migratory Bird Day