Grinnell Lake, Glacier National Park, Montana (© Pung/Shutterstock)(Bing United States)

[20210511] - 'Grinnell Lake, Glacier National Park, Montana (© Pung/Shutterstock)(Bing United States)'

The Hōkūle

[20210510] - 'The Hōkūle'a, a traditional Hawaiian voyaging canoe, departs for a 3-year voyage from Honolulu, Hawaii, on May 17, 2014 (© Reuters/Alamy)(Bing United States)'

Sea otter mother and newborn pup, Monterey Bay, California (© Suzi Eszterhas/Minden Pictures)(Bing United States)

[20210509] - 'Sea otter mother and newborn pup, Monterey Bay, California (© Suzi Eszterhas/Minden Pictures)(Bing United States)'

Black-tailed godwits, Netherlands (© Edward van Altena/Minden Pictures)(Bing United States)

[20210508] - 'Black-tailed godwits, Netherlands (© Edward van Altena/Minden Pictures)(Bing United States)'

Norcross Brook and wetlands near Moosehead Lake in Piscataquis County, Maine (© Aaron Black-Schmidt/Tandem Stills + Motion)(Bing United States)

[20210507] - 'Norcross Brook and wetlands near Moosehead Lake in Piscataquis County, Maine (© Aaron Black-Schmidt/Tandem Stills + Motion)(Bing United States)'

[20210506] - ''Now & Forever,' a mural by Tristan Eaton honoring health care workers, May 11, 2020, in New York City (© Timothy A. Clary/AFP via Getty Images)(Bing United States)'

The Great Pyramid of Cholula, in Cholula, Puebla, Mexico (© mauritius images GmbH/Alamy)(Bing United States)

[20210505] - 'The Great Pyramid of Cholula, in Cholula, Puebla, Mexico (© mauritius images GmbH/Alamy)(Bing United States)'

Grey seal hitching itself over the beach at Donna Nook, North Lincolnshire, England (© Frederic Desmette/Minden Pictures)(Bing United States)

[20210504] - 'Grey seal hitching itself over the beach at Donna Nook, North Lincolnshire, England (© Frederic Desmette/Minden Pictures)(Bing United States)'

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