International Geodiversity Day Oct 6, 2022

These dragon tail-like structures that stretch into the Bay of Biscay are part of one of the most unique and remarkable geologic formations on the planet. The Basque Coast of northern Spain is a wonderland for geologists and for people who just like looking at cool rocks. Guided tours of the Basque Coast Geopark allow visitors to discover 60 million years of uninterrupted geologic history.

© Olimpio Fantuz/eStock Photo

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Today in History

Oct 6, 2018A bite of ancient history
Oct 6, 2019Land ho in New Zealand 250 years ago
Oct 6, 2020Water colors
Oct 6, 2021A valley view at 9,000 feet
Oct 6, 2023Taughannock Falls State Park
Oct 6, 2024Ancient town of Sorano, Tuscany, Italy
Oct 6, 2025Anshun Bridge, Chengdu, China

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May 28, 2022Bungle Bungle Range in Purnululu National Park, Australia
Aug 10, 2021Smithsonian Secretary Lonnie Bunch on the institution s 175th anniversary
Aug 21, 2023Discovery Day in Yukon, Canada
Dec 2, 2019Wild and beautiful Alaska
May 31, 2018Leaves of Grass
Sep 6, 2019The old guard at Old San Juan
Jan 3, 2024J.R.R. Tolkien Day
Oct 10, 2023Mount Sopris, Colorado
Nov 3, 2025World Jellyfish Day
Dec 1, 2019Southern lights for Antarctica Day
Sep 20, 2022Sea Otter Awareness Week
Jul 9, 2018Gauchos showcase Argentina’s independent spirit
Feb 5, 2020Frozen beauty
Nov 30, 2019A big place to shop small
Sep 11, 2018Inside the Oculus
Jan 2, 2023Hohenzollern Castle near Stuttgart, Germany
Feb 23, 2020An icy extravaganza
May 17, 2025A delta in the Venetian Lagoon, Italy
Jul 21, 2022Abbey Gardens in Bury St Edmunds, England
Sep 26, 2025Least chipmunk, Kootenai National Forest, Montana
Jul 13, 2019Batten down the hatches
Jul 9, 2023Moselle River loop near Kröv, Germany
Dec 7, 2025Pearl Harbor Day
May 19, 2024Vernazza, Cinque Terre, Liguria, Italy
Oct 21, 2019The Guggenheim turns 60
Jan 24, 2021These patterns tell a story
Jul 20, 2021Fly me to the moon
Oct 8, 2024World Octopus Day
Mar 8, 2022International Women s Day
Feb 27, 2024International Polar Bear Day