Laburnum (golden chain) trees and purple alliums in bloom at VanDusen Botanical Garden, Vancouver (© Greg Vaughn/Alamy)(Bing Canada)

Travertine terraces of Pamukkale, Turkey (© bybostanci/Getty Images)(Bing Canada)

Mandarin duck hen with ducklings in South Korea (© VDCM image/Getty Images)(Bing Canada)

Wadi Rum, Jordan (© Thomas Coex/AFP via Getty Images)(Bing Canada)

Tree in blue agave field in the tequila producing region near Atotonilco, Jalisco, Mexico (© Brian Overcast/Alamy)(Bing Canada)

A path winding through a forest of bluebells in Hertfordshire, England (© JayKay57/Getty Images)(Bing Canada)

Swedish antenna at La Silla ESO Observatory, Chile (© Alberto Ghizzi Panizza/Getty Images)(Bing Canada)

Koala mother and 8-month-old joey, Queensland, Australia (© Suzi Eszterhas/Minden Pictures)(Bing Canada)

View of Göreme from an observation deck, Göreme National Park, Cappadocia, Turkey (© Anton Petrus/Getty Images)(Bing Canada)

Spring forest, Gros Morne National Park, Newfoundland and Labrador (© Don Johnston EC/Alamy Stock Photo)(Bing Canada)

The village of Oia on the island of Santorini, Greece (© Zebra-Studio/Shutterstock)(Bing Canada)

Nurses serving with the American Red Cross in Paris, France, in May 1919 (© Universal History Archive/Universal Images Group via Getty Images)(Bing Canada)

A close-up of a tulip from the Canadian Tulip Festival in Ottawa (© Sandy Thompson/Alamy Stock Photo)(Bing Canada)

Windmills, Kinderdijk, Netherlands (© Achim Thomae/Getty Images)(Bing Canada)

Panoramic view of the Bernina Range with blood moon, Eastern Alps, Engadin, Switzerland (© Bernd Zoller/Shutterstock)(Bing Canada)

Burrowing owl chicks gaze out from among flowers near Pawnee National Grassland in Colorado (© Roberta Olenick/Alamy)(Bing Canada)

Salt ponds of Maras in Peru's Sacred Valley of the Incas (© Fotofeeling/Westend61 on Offset/Shutterstock)(Bing Canada)

Museum at Prairiefire, Overland Park, Kansas (© Bernard P. Friel/Universal Images Group via Getty Images)(Bing Canada)

Glass bridge of Zhangjiajie, Hunan, China (© MediaProduction/Getty Images)(Bing Canada)

Honeybee flying over crocuses in the Tatra Mountains, Poland (© Mirek Kijewski/Getty Images)(Bing Canada)

Albion Falls, Hamilton, Ontario (© Alexander Sviridov/Shutterstock)(Bing Canada)

A Burchell's zebra and a cattle egret at the Rietvlei Nature Reserve in South Africa (© Richard Du Toit/Minden Pictures)(Bing Canada)

Florida red-bellied turtle in Rainbow Springs, Rainbow Springs State Park, Florida (© Michel Roggo/Minden Pictures)(Bing Canada)

Kornati National Park, Croatia (© Anton Petrus/Getty Images)(Bing Canada)

Alhambra in Granada, Andalucia, Spain (© Armand Tamboly/Getty Images)(Bing Canada)

Hanging bridge in Monteverde Cloud Forest, Costa Rica (© Dmitriy Burlakov/Getty Images)(Bing Canada)

Golden Gate Bridge and Marin Headlands photographed from Golden Gate Overlook in San Francisco, California (© Jeff Lewis/Tandem Stills + Motion)(Bing Canada)

Bungle Bungle Range in Purnululu National Park, Australia (© Francesco Riccardo Iacomino/Getty Images)(Bing Canada)

Adult female grizzly bear and cub in the Great Bear Rainforest, B.C. (© Jack Chapman/Minden Pictures)(Bing Canada)

Sunset lights up Mount Fryatt as the Athabasca River flows over Athabasca Falls in Jasper National Park, Alberta, Canada (© Robert Postma/Getty Images)(Bing Canada)

Scarlet macaw in Costa Rica (© Harry Collins/Getty Images)(Bing Canada)