Ribblehead Viaduct and Ingleborough mountain, North Yorkshire, England (© AWL Images/DanitaDelimont.com)

Young alpine marmot (© Jonas Fichtner-Pflaum/Getty Images)

National Museum of African American History & Culture, Washington, DC (© BrianPIrwin/Shutterstock)

Plains zebras at sunrise, Mokala National Park, South Africa (© EcoPrint/Shutterstock)

La Brecha de Rolando, Ordesa y Monte Perdido National Park, Spain (© Inaki Relanzon/Nature Picture Library/Alamy)

Dragon dance, Wuhan, China (© Miao Jian/Wuhan Morning Post/Visual China Group via Getty Images)

Short-eared owl hunting in heavy snow (© Dilshan Muthalib/Getty Images)

Zoroaster Temple, Grand Canyon National Park, Arizona (© Nick Lake/Tandem Stills + Motion)

European beech forest in Belgium (© Philippe Moes/Minden Pictures)

Porto, Portugal (© Starcevic/Getty Images)