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)

Ocracoke Lighthouse on Ocracoke Island, North Carolina (© Chansak Joe/Getty Images)

Playground at the Obereversand Lighthouse in Dorum-Neufeld, Germany (© INGO WAGNER/DPA/AFP via Getty Images)

Gujō Hachiman Castle, Gifu prefecture, Japan (© ta2funk ito/500px/Getty Images)

Mid-Autumn Festival in Gardens by the Bay, Singapore (© Victor Y. Zhuo/Alamy)

Wallabies at sunrise, Adelaide River, Northern Territory, Australia (© Jeremy Woodhouse/Getty Images)