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 20, 2018Looking back at Yellowstone, 30 years after the fires
Aug 3, 2024Three Natural Bridges, Wulong Karst, China
Jan 27, 2018Bioluminescence at Trwyn Du Lighthouse in Wales
Jun 8, 2020A day for the oceans
Aug 13, 2023Perseid meteor shower over Oregon
Jul 23, 2021Let the games (finally) begin!
Mar 13, 2018Wayag Islands in the Raja Ampat Islands of Indonesia
Aug 12, 2022World Elephant Day
Sep 19, 2025Thousand Islands region, St. Lawrence River, US-Canada border
Oct 10, 2020Birds of a feather
Oct 10, 2021A shell of many colors
Feb 20, 2018Buddha in the roots of a tree, Ayutthaya, Thailand
Oct 11, 2020A monastery in the mountain
Jan 16, 2018Lionfish off the coast of Indonesia
Sep 17, 2019Constitution Day and Citizenship Day
Oct 28, 2021Necropolis of Dargavs
Apr 27, 2018National Park Week: Yosemite National Park, California
Nov 30, 2023Saint Andrews Day
Aug 30, 2025International Whale Shark Day
Jun 13, 2022Okavango Delta, Botswana
Nov 29, 2021Rainbow Mountain
Dec 16, 2022Atlanta Botanical Garden
Oct 11, 2024Celtic Colours International Festival, Canada
Aug 23, 2024Prasat Phanom Rung temple ruins, Thailand
Dec 4, 2020Protecting wildlife today and tomorrow
Sep 22, 2019Barcelona bids farewell to summer
Jul 31, 2023Rock House in Hocking Hills State Park, Ohio
Mar 27, 2020Pretty in pink, and purple, and red…
Oct 24, 2019Bridge of Hillsborough County
Aug 6, 2023Kagami-ike, Nagano, Japan