Bridge over the Loire River at Amboise, France (© ESCUDERO Patrick/Hemis/Corbis) © (Bing Canada)

Bees in San Felice Circeo, Italy (© Massimo Borchi/4Corners) © (Bing Canada)

Stillaguamish River of Mount Baker-Snoqualmie National Forest, Washington, U.S.A. (© Stephen Matera) © (Bing Canada)

Surfer riding a wave near Pacific City, Oregon, U.S.A. (© Gabe Rogel/Aurora Photos) © (Bing Canada)

Driver-training course in Minnesota, U.S.A. (© Richard Hamilton Smith/Corbis) © (Bing Canada)

Travertine terraces of Pamukkale, Turkey (© Ocean/Corbis) © (Bing Canada)

Olive trees reflected in the waters of Barragem de Alqueva (Alqueva Lake) near Alqueva, Portugal (© Paul Bernhardt/Lonely Planet) © (Bing Canada)

Close-up of a sea fan off Raja Ampat Islands, West Papua, Indonesia (© Matthew Oldfield Underwater Photography/Alamy) © (Bing Canada)

A family of koalas with a little joey (© Paco Alcantara/Getty Images) © (Bing Canada)

Young caracal in a wildlife sanctuary near Windhoek, Namibia (© Ignacio Palacios/Lonely Planet) © (Bing Canada)

Cypress trees at Trussum Pond, Delaware, U.S.A. (© David Muench/Stone/Getty Images) © (Bing Canada)

Fog over Spray Park in Mount Rainier National Park with Glacier Peak in the background, Washington, U.S.A. (© Stephen Matera) © (Bing Canada)

Harvesting cotton in Costa Rica (© Fernando Bueno/Getty Images) © (Bing Canada)

Village of Gásadalur below Heinanova mountain, with waterfall cascading over cliff into the Atlantic Ocean, Vágar, Faroe Islands (© Kimberley Coole/Lonely Planet) © (Bing Canada)

Ellis Island Immigration Museum in New York Harbor, New Jersey, U.S.A. (© Clarence Holmes/age fotostock/SuperStock) © (Bing Canada)

Underwater view of spawning salmon in Katmai National Park, Alaska, U.S.A. (© Paul Souders/Corbis) © (Bing Canada)

A bus descends the serpentine turns of Tongtian Avenue on Tianmen Mountain near Zhangjiajie, Hunan province, China (© Tom Horton/Getty Images) © (Bing Canada)

Aerial shot of Whitehaven Beach, Whitsunday Island off Queensland, Australia (© imagebroker.net/Superstock) © (Bing Canada)

Cathedral of Pisa and its bell tower in Pisa, Italy (© Jean-Pierre Lescourret/Corbis) © (Bing Canada)

Raccoon building a nest in a Montana forest, U.S.A. (© Framepool) © (Bing Canada)

Fall colours in the Great Smoky Mountains, North Carolina, U.S.A. (© Nancy Rotenberg/Danita Delimont) © (Bing Canada)

Japanese maple tree next to pond at the Portland Japanese Garden in Portland, Oregon, U.S.A. (© Don Paulson/Jaynes Gallery/Danita Delimont) © (Bing Canada)

Detail of an autumn leaf (© Funkystock/age fotostock) © (Bing Canada)

European bee-eaters in Málaga province, Andalusia, Spain (© José Antonio Moreno/age fotostock) © (Bing Canada)

Autumn colours and Emigrant Peak, Paradise Valley, Montana, U.S.A. (© Carol Polich/Lonely Planet) © (Bing Canada)

Gunn Brook Falls in the Pioneer Valley region of Massachusetts, U.S.A. (© Denis Tangney Jr./Getty Images) © (Bing Canada)

Banggai Cardinalfish, Lembeh Strait, North Sulawesi, Indonesia (© Daniela Dirscherl/age fotostock) © (Bing Canada)

Rambutans (© Hemis/Alamy) © (Bing Canada)

Jin Mao Tower and Huangpu River in Shanghai, China (© José Fuste Raga/age fotostock) © (Bing Canada)