Sheep graze along a road, Iceland

Mute swan chicks shelter under mom's tail feathers, Massapequa Preserve, Long Island, New York

Plitvice Lakes National Park, Croatia

Square Tower House in Mesa Verde National Park, Colorado

The blue eggs of an American robin in New Jersey

Aerial view of Grand Prismatic Spring, Yellowstone National Park, Wyoming

'L'Arc de Triomphe, Wrapped,' an art installation by Christo and Jeanne-Claude on September 24, 2021, in Paris, France

Horseshoe Bend, Arizona

Mitsumata (aka paperbush) in a forest in Japan

Waning gibbous moon above the Earth's horizon, photographed from the International Space Station

Fiddlehead fern fronds in Quebec, Canada

Caracal cubs