Large anvil clouds above the Amazon in Brazil (© NASA)

Blue Spring, Te Waihou Walkway, New Zealand (© Ian Beattie/Alamy)

Bwindi Impenetrable National Forest, Uganda (© Art Wolfe/DanitaDelimont.com)

The Jefferson Memorial during the Cherry Blossom Festival, Washington, DC (© f11photo/Shutterstock)

Tree frog on leaf (© Tetsuya Tanooka/DEEPOL by plainpicture)

Elephant Rock, Al-Ula, Saudi Arabia (© Lubo Ivanko/Shutterstock)

St. Finian’s Bay, County Kerry, Ireland (© Atlantide Phototravel/Getty Images)

Giant panda eating bamboo, Chengdu, China (© Suzi Eszterhas/Minden Pictures)

Anza-Borrego Desert State Park, California (© Stephen Matera/Tandem Stills + Motion)

Wat Phra Ngam, Ayutthaya Historical Park, Thailand (© boonchai wedmakawand/Alamy)