Nature, art, and...math?

Nature, art, and...math?

Sunflower (© Dileep Chandran/Alamy)

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Today in History

Nov. 23, 2023Teide National Park, Tenerife, Canary Islands, Spain
Nov. 23, 2024Fibonacci Day
Nov. 23, 2025Fibonacci Day

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May 22, 2026International Day for Biological Diversity
Apr. 15, 2024World Art Day
Sep 11, 2026Villefranche-sur-Mer, Provence-Alpes-Côte dAzur, France
Jul. 30, 2025International Day of Friendship
Oct. 9, 2024Aspens near Marble, Colorado, USA
Go hug a mountain, if you can
Stripes in sight
Jun 28, 2026Saguaro cacti, Windgate Pass, McDowell Range, Arizona, USA
An island made from a vow
Mar. 16, 2026Spirit Island on Maligne Lake, Jasper National Park, Alberta
Nov. 5, 2024Lençóis Maranhenses National Park, Brazil
Jun 5, 2026World Environment Day
Where we go to play
Apr. 27, 2026The glass dome of Galleria Vittorio Emanuele II, Milan, Italy
Nov. 1, 2024Vineyards in Varnhalt, Black Forest, Germany
Jun. 30, 2024Ubud, Bali, Indonesia
A bridge that holds up history
Jan. 3, 2026J.R.R. Tolkien Day
Dec. 11, 2025International Mountain Day
This blue succulent is as good as gold here
What are these beautiful sandy waves?
Mar. 20, 2024Cave Dale and Peveril Castle, England
Jun. 11, 2025Greater flamingos, Lüderitz, Namibia
Oct. 17, 2023Vieste, Apulia, Italy
Dec. 8, 2023La Rocque Harbour, Island of Jersey
Ever seen garlic bloom?
Nov. 11, 2025Quiver trees, Keetmanshoop, Namibia
Hop into Lunar New Year
Mar. 16, 2024Giant panda, Chengdu, China
Stepping back in time