Petrified Forest National Park Dec 8, 2021

Petrified Forest National Park

The burliest lumberjack with the best-oiled chainsaw couldn"t slice the massive "timbers" found in Petrified Forest National Park in northeastern Arizona. So why are these giant stone logs segmented in such symmetrical rounds, as if they"re ready to be split into firewood?

© Ian Shive/Tandem Stills + Motion

palette

Today in History

Dec 8, 2018How lovely are your branches
Dec 8, 2019Mod gear
Dec 8, 2020A fortress in the sky
Dec 8, 2022The Cathedral of Florence, Italy
Dec 8, 2023La Rocque Harbour, Island of Jersey
Dec 8, 2024Notre-Dame Cathedral reopens
Dec 8, 2025Christmas lights in Domaso, Lake Como, Italy

More Desktop Wallpapers:

Feb 25, 2021Trevi in bloom
Sep 3, 2025Annivesary of the Wilderness Act of 1964
Nov 11, 2018Poppies for Armistice Day
Nov 5, 2022Tigh Mor Trossachs on Loch Achray, Scotland
Oct 23, 2018Of moles and liquid nitrogen
Feb 22, 2025Gateway Arch in St. Louis, Missouri
Feb 25, 2023Bryce Canyon National Park turns 100
Jan 30, 2020The Pearl of Siberia
Jan 6, 2023Black Fell in England s Lake District
Aug 12, 2024World Elephant Day
Jan 26, 2026Neuschwanstein Castle, Bavaria, Germany
Nov 26, 2018A little bit of Wonderland in New York City
Aug 22, 2022Burrowing owls
Oct 26, 2022Brocken spectre in Central Balkan National Park, Bulgaria
Oct 2, 2021A river on the tundra
Apr 28, 2020Happy 800th, Salisbury Cathedral
Jan 28, 2026Whanganui National Park, Retaruke, New Zealand
Oct 10, 2024Kochia, Hitachi, Ibaraki prefecture, Japan
Feb 11, 2025Yungang Grottoes, Shanxi, China
Mar 30, 2026Demoiselle cranes, India
Jan 19, 2020Ready. Set. Snow.
Mar 23, 2024World Meteorological Day
Aug 27, 2019Remembering Krakatoa
Jan 19, 2021The ruins of a Maya superpower
Aug 28, 2024Paralympic Games begin in Paris
Aug 2, 2020Bellissima!
Sep 29, 2019Falling for Rioja
Jul 14, 2025Shark Awareness Day
Dec 31, 2024New Years Eve in Rio de Janeiro, Brazil
Jul 13, 2018The puffin-rabbit connection