Great horned owl fledglings (© Michael Morse/Getty Images)

Bromo Tengger Semeru National Park, East Java, Indonesia (© Bento Fotography/Getty Images)

India Aerial view above of Agra Fort (© Amazing Aerial Premium/Shutterstock)

Roman bridge, Córdoba, Spain (© Jeremy Woodhouse/Getty Images)

Black grouse males in Kuusamo, Finland (© Markus Varesvuo/Minden Pictures)

Moon rising, Tucson, Arizona (© Tim Murphy/Shutterstock)

Baby Eurasian beavers, Finland (© Danny Green/Minden Pictures)

The Giant's Causeway, County Antrim, Northern Ireland (© Dieter Meyrl/Getty Images)

Giant's Causeway, Northern Ireland, United Kingdom (© DieterMeyrl/Getty Images)

Elephant family in Amboseli National Park, Kenya (© Diana Robinson/Getty Images)

Família de elefantes no Parque Nacional Amboseli, no Quênia (© Diana Robinson/Getty Images)

Earth seen from the International Space Station (© Tim Peake/ESA/NASA via Getty Images)

Hitsujiyama Park, Saitama Prefecture, Japan (© Takashi Images/Shutterstock)

Mediterranean red sea stars, Mediterranean Sea (© Hans Leijnse/Minden Pictures)

Mediterranean red sea stars, Mediterranean Sea (© Hans Leijnse/Minden Pictures)

Adelaide International Kite Festival, Australia (© Andrey Moisseyev/Alamy)

Haiku art installation, Kew Royal Botanic Gardens, London, England (© Guy Bell/Alamy Live News)

Machu Picchu, Peru (© Dora Dalton/Getty Images)

Taiwan yuhina pair, Alishan National Scenic Area, Taiwan (© Staffan Widstrand/Minden Pictures)

Belted Galloway cows in Scotland (© JohnFScott/Getty Images)

Procida, Italy (© Sean Pavone/Shutterstock)

Island fox in Channel Islands National Park, California (© Ian Shive/Tandem Stills + Motion)

Early morning shafts of light through deciduous forest, Bandhavgarh National Park, India (© plainpicture/NPL/Nick Garbutt)

Stuttgart Public Library, Germany (© Axel Brunst/Tandem Stills + Motion)

Adélie penguins in Antarctica (© David Merron Photography/Getty Images)

Great horned owl fledglings (© Michael Morse/Getty Images)

Mariposa Grove in Yosemite National Park, California (© Orbon Alija/Getty Images)

Milky Way over Joshua Tree National Park, California (© Schroptschop/Getty Images)

Interior of Hawa Mahal or Palace of Winds, India (© Inti St Clair/age fotostock)

Quebec Bridge across the lower Saint Lawrence River, Canada (© Ronald Santerre/Getty Images)