Autumn waterfalls near Sitovo, Plovdiv Province, Bulgaria (© Nadya85/Getty Images)

Royal Portuguese Cabinet of Reading, Rio de Janeiro, Brazil (© Antonio Salaverry/Shutterstock)

Two gray wolves, Yellowstone National Park, Wyoming (© John Morrison/Getty Images)

Autumn in Naejangsan National Park, South Korea (© Twenty47studio/Getty Images)

Nguyen Hoang Bridge over the Perfume River, Hue, Vietnam (© VU PHAM VAN/Getty Images)

Brown-throated sloth, Puerto Viejo de Talamanca, Costa Rica (© Suzi Eszterhas/Minden Pictures)

Grand Canal in Venice, Italy (© Juan Romero/Cavan Images)

Dolbadarn Castle, Llanberis, Eryri National Park (Snowdonia), Wales (© joe daniel price/Getty Images)

Life-size replica of Chauvet cave art in Vallon-Pont-d'Arc, France (© Audrey Poree/Alamy)

Mount Sneffels in the San Juan Mountains near Ridgway, Colorado (© lightphoto/Getty Images)

View of the Wroclaw Market Square from the Witches' Bridge in Wroclaw, Poland (© Piotr Mitelski/Shutterstock)

Ammonite fossils from the Jurassic Period (© J Nemchinova/Getty Images)

Plitvice Lakes National Park, Croatia (© Jan Wlodarczyk/Alamy)

White House Ruin at Canyon de Chelly National Monument in Arizona (© Ingo Arndt/Minden Pictures)

Glade Creek Grist Mill, Babcock State Park, West Virginia (© dszc/Getty Images)

Double-crested cormorants over Monterey Bay, California (© Hiroya Minakuchi/Minden Pictures)

View of the Sanguinaires Islands from Corsica, France (© Francesco Riccardo Iacomino/Getty Images)

Octopus in defensive posture, Mayotte, Indian Ocean (© Gabriel Barathieu/Minden Pictures)

Moss-covered rocks in Puzzlewood, Forest of Dean, Gloucestershire, England (© Fulcanelli_AOS/Getty Images)

Danxia landform, Zhangye National Geopark, Gansu, China (© Weiquan Lin/Getty Images)

Adélie penguins, Antarctica (© Otto Plantema/Minden Pictures)

Artemis I moon rocket at Launch Complex 39B, Kennedy Space Center, Florida, June 15, 2022 (© EVA MARIE UZCATEGUI/Getty Images)

Brown bear in Silver Salmon Creek, Lake Clark National Park and Preserve, Alaska (© Danny Green/Nature Picture Library)

Chattooga River in the Appalachian Mountains, North Carolina (© mtilghma/Getty Images)

Sunset from Olmsted Point, Yosemite National Park, California, USA (© Robb Hirsch/Tandem Stills + Motion)