Herd of walruses in northern Spitsbergen, Svalbard archipelago, Norway (© AWL Images/Danita Delimont)

West Cornwall Covered Bridge over the Housatonic River, Connecticut (© pabradyphoto/Getty Images)

Cottonwoods seen through an arch in Coyote Gulch, Glen Canyon Recreation Area, Utah (© Stephen Matera/Tandem Stills + Motion)

Aerial view of the Grand Canal and the Basilica di Santa Maria della Salute, Venice, Italy (© Bachir Moukarzel/Amazing Aerial Agency)

Blue-throated toucanet, Los Quetzales National Park, Costa Rica (© Oscar Dominguez/Tandem Stills + Motion)

Giant sequoias, Sequoia National Park, California (© Galyna Andrushko/Shutterstock)

Waterfall in Skaftafell, Vatnajökull National Park, Iceland (© Nopasorn Kowathanakul/Getty Images)

Sea otter, Prince William Sound, Alaska (© Gerald Corsi/Getty Images)

Buttermere, Lake District National Park, England (© Alan Novelli/Alamy)

Oktoberfest in Munich, Germany, at sunset (© AllesSuper21/iStock/Getty Images)