A Burchell's zebra and a cattle egret at the Rietvlei Nature Reserve in South Africa (© Richard Du Toit/Minden Pictures)

Albion Falls, Hamilton, Ontario, Canada (© Alexander Sviridov/Shutterstock)

Honey bee flying over crocuses in the Tatra Mountains, Poland (© Mirek Kijewski/Getty Images)

Glass bridge of Zhangjiajie, Hunan, China (© MediaProduction/Getty Images)

Museum at Prairiefire, Overland Park, Kansas (© Bernard P. Friel/Universal Images Group via Getty Images)

Salt ponds of Maras in Peru's Sacred Valley of the Incas (© Fotofeeling/Westend61 on Offset/Shutterstock)

Burrowing owl chicks gaze out from among flowers near the Pawnee National Grassland in Colorado (© Roberta Olenick/Alamy)