Canada Day firework show behind the National Gallery of Canada, Ottawa (© gqxue/iStock Editorial/Gettty Images)

Italica, an old Roman city in Santiponce, Sevilla, Andalusia, Spain (© Moses Palermo/Amazing Aerial Agency)

Meerkat family (© anetapics/Shutterstock)

Fisgard Lighthouse, Esquimalt Harbor, Colwood, British Columbia, Canada (© davemantel/Getty Images)

Noah Beach in Daintree Rainforest, Queensland, Australia (© bjeayes/Getty Images)

Conwy Castle looking over the River Conwy, Wales (© David Chapman/Alamy)

Rice terraces of Mù Cang Chải, Yên Bái province, Vietnam (© Kiatanan Sugsompian/Getty Images)

Blueberries growing in the wild (© Baac3nes/Getty Images)

Talampaya National Park, La Rioja province, Argentina (© Gonzalo Azumendi/Getty Images)

Collared aracari, Costa Rica (© Juan Carlos Vindas/Getty Images)

Gangi, Sicily, Italy (© Andrea Caruso/Amazing Aerial Agency)

Wildflowers in Mount Rainier National Park, Washington (© RomanKhomlyak/Getty Images)

Baia del Silenzio in Sestri Levante, Liguria, Italy (© StevanZZ/Getty Images)

Tateishi Park, Kanagawa Prefecture, Japan (© blew_s/Shutterstock)

Summer Milky Way over the badlands formations at Dinosaur Provincial Park, Alberta, Canada (© Alan Dyer/Stocktrek Images/Getty Images)

Medieval city of Rothenburg ob der Tauber, Germany (© kanuman/Getty Images)

Coral reef in the Indian Ocean, Mayotte, France (© Gabriel Barathieu/Minden Pictures)

A young jaguar on a riverbank, Pantanal, Brazil (© Tambako the Jaguar/Getty Images)

The moon (© Victor Blum/Getty Images)

Wooden fishing boats at Kendwa village, Zanzibar, Tanzania (© Lubos Paukeje/Alamy)

Hammock camping on a lake in Central Florida (© Mac Stone/Tandem Stills + Motion)

Methoni Castle, Messenia, Greece (© Andrew Mayovskyy/Shutterstock)

Flock of Swaledale sheep in North Yorkshire, England (© R A Kearton/Getty Images)

Forest path in Great Smoky Mountains National Park, Tennessee (© putmanphoto/Getty Images)

Pont Neuf over the Seine, Paris, France (© f11photo/Getty Images)

Vineyards in the Moselle Valley, Rhineland-Palatinate, Germany (© Jorg Greuel/Getty Images)

Bathing huts on the beach in Skåne County, Sweden (© Martin Wahlborg/Getty Images)

Tiger siblings in Jim Corbett National Park, Uttarakhand, India (© Sourabh Bharti/Getty Images)

San Gimignano, Siena, Tuscany, Italy (© MNStudio/Shutterstock)

Hoodoos, Sunset Point, Bryce Canyon National Park, Utah (© Tim Fitzharris/Minden Pictures)