What is this grand structure?

What is this grand structure?

Tour de France cyclists crossing the Pont du Gard, France (© Gonzalo Fuentes/Getty Images)

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Today in History

The Jewel of Hampi
Jul 1, 2024Fisgard Lighthouse, British Columbia, Canada
Jul 1, 2025Van Mahotsav

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Aug 17, 2024Alfanzina lighthouse, Algarve, Portugal
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Dec 20, 2025Christmas star lanterns, Germany
Jan 22, 2025Ad-Deir, Petra, Jordan
Jan 12, 2024Bukhansan National Park, South Korea
Nature, art, and...math?
Mar 31, 2025Ostuni, Apulia, Italy
Night outside the museum
Jan 6, 2024A male chaffinch in a crab apple tree
America’s backyard
Huddled and hunting
Nap your worries away
Oct 29, 2023Bonaventure Cemetery, Savannah, Georgia, USA
An iridescent view
Jun 13, 2024Registan Square, Samarkand, Uzbekistan
Apr 23, 2024World Book Day
Jun 24, 2024Kelimutu, Flores, Indonesia
Feb 18, 2024Sperm whale pod surfacing
See-through cephalopod
A little bird told me...
Bungle beehives
Pearl among the emeralds
Jan 30, 2026St. Michaels Mount in Marazion, Cornwall, England
A natural spotlight
Rocks rock!
May 20, 2025World Bee Day
Oct 23, 2024Madame Sherri Forest, New Hampshire, United States
Apr 17, 2025Andean cocks-of-the-rock, Ecuador
Sep 25, 2023Sea Otter Awareness Week
Holiday hues