Eurasian scops owl in Bohemian Switzerland National Park, Czech Republic

Comet NEOWISE streaks across the sky over Sunwapta Lake in Jasper National Park, Alberta, Canada

Bald cypress and Spanish moss in the Atchafalaya Basin, Louisiana

Brown-throated three-toed sloth in Manuel Antonio National Park, Costa Rica

The Fanal Forest on Madeira Island, Portugal

Capel Curig in Snowdonia National Park, Wales, United Kingdom

Redwood Memorial Grove in Whakarewarewa Forest, North Island, New Zealand

Aerial view of the Temple of Hatshepsut near Luxor, Egypt

Farra di Soligo in the Prosecco Hills of Veneto, Italy

Saguaro 'family' and Milky Way, Saguaro National Park, Arizona

An ichthyosaur fossil of the Jurassic period, Dinosaurland Fossil Museum, Lyme Regis, Dorset, England

Saint-Malo in Brittany, France

The Clan House at Totem Bight State Historical Park near Ketchikan, Alaska

Rainbow abalone shell, New Zealand

Sandhill cranes and mallard ducks, Bosque del Apache National Wildlife Refuge, New Mexico

Common octopus off the coast of France in the Mediterranean Sea

Huay Mae Khamin Waterfall in Khuean Srinagarindra National Park, Thailand

Dallas Divide in southwest Colorado

Kindergarteners drawing on canvases in Nantong, Jiangsu province, China

Andromeda galaxy