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:

Feb 27, 2018A polar bear near Churchill, Manitoba, Canada
Sep 21, 2024Oktoberfest, Munich, Germany
Feb 16, 2018Dragon dance performed in Chenzhou, Hunan Province, China
May 2, 2025Striated heron on a Victoria water lily, Pantanal, Brazil
Feb 20, 2020Après-ski in the Dolomites
Apr 12, 2018Sydney Harbour Bridge in Sydney, Australia
Nov 11, 2025Marine Corps War Memorial, Arlington, Virginia
Oct 12, 2023Farmers Day
Jun 13, 2022Okavango Delta, Botswana
Jul 20, 2022National Moon Day
Dec 16, 2021Dancing in The Nutcracker
Mar 29, 2019A place called ‘Peace’ in India
Feb 21, 2018Innerdalsvatna Lake, near Ålvundeidet, Norway
Aug 1, 2024Floating market, Kaptai Lake, Bangladesh
Dec 11, 2023International Mountain Day
Oct 5, 2019A fair that s star-studded
Jun 1, 2024Pride Month
Jan 29, 2024Golling Waterfall, Salzburg, Austria
May 3, 2019A night of art and culture
Mar 9, 2021Spring comes to the Diablo foothills
Jun 27, 2024Duomo Santa Maria del Fiore, Florence
Feb 5, 2019Welcome to the Year of the Pig
Sep 25, 2020One for the books
Dec 14, 2024Christmas Bird Count turns 125
Jun 24, 2022Cenote near Puerto Aventuras, Mexico
Jan 31, 2021A glittering diamond in the rough
Sep 24, 2021The crossroads of empires
Dec 31, 2020Goodbye, 2020!
Sep 12, 2022Chestnut-eared aracari in the Pantanal, Brazil
Aug 27, 2020Rocks on the move