Chameleon walking on a plant, Indonesia (© SnapRapid/Offset by Shutterstock)

Bare trees and autumn ferns in Beaver Lake Nature Center, New York (© Chris Murray/Alamy)

The Mati Si (Horse's Hoof Temple) and grottoes of Mati Si Scenic Area, Gansu province, China (© Ana Flašker/Alamy)

View of the harbor in Sitka, Alaska (© Blaine Harrington III/Alamy)

View of Pisgah National Forest near Brevard, North Carolina (© Adam Jones/Danita Delimont)

View of a tractor and trailers of cabbage in a field in Sankt Pölten, Austria (© Stephan Zirwes/Getty Images)

Ochre sea star on kelp off the coast of California (© Ralph Pace/Minden Pictures)