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1898
World Oceans Day
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1899
International Zebra Day
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1900
Arenal Volcano, Costa Rica
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1902
Bangkok, Thailand
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1902
Common raven
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1905
The top of Tennessee
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1906
Platinum Jubilee celebrations
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1907
Château de Sully-sur-Loire, Centre-Val de Loire, France
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1910
Astoria-Megler Bridge, Oregon
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1914
Rio Grande, Albuquerque
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1916
Capitol Reef National Park, Utah
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1917
Bukhansan National Park, South Korea
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1920
Heavenly hot springs
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1921
World’s largest tulip festival
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1924
Yoho National Park, British Columbia
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1930
Lake Superior, Thunder Bay, Ontario
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1935
Computer Science Week
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1935
Ouimet Canyon in the Ouimet Canyon Provincial Park
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1936
Locals know this place simply as ‘the Met’
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1940
Devils Marbles Conservation Reserve, Australia
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1942
Yellowstone National Park, Wyoming
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1942
Playa del Silencio, Spain
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1944
International Mountain Day
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1946
Masai Mara National Reserve, Kenya
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1949
Discovery Day in Canada
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1950
Haghartsin Monastery, Armenia
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1951
Bernina Pass, Graubünden, Switzerland
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1954
American bison
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1955
National Indigenous Peoples Day
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1955
Whooper swans