Füzér Castle in the Zemplén Mountains, Hungary (© ZGPhotography/Alamy)

Corn maze in Saylorsburg, Pennsylvania (© Alex Potemkin/Getty Images)

Astoria-Megler Bridge on the Columbia River, Astoria, Oregon (© Dan Mihai/Getty Images)

Reliefs in the ancient Persian city of Persepolis, Iran (© Ozbalci/Getty Images)

Pygmy three-toed sloth baby, Isla Escudo de Veraguas, Panama (© Suzi Eszterhas/Minden Pictures)

Water lily harvest, Mekong River Delta, Long An, Vietnam (© Khanh Phan/Solent News/Shutterstock)

Kodiak National Wildlife Refuge, Kodiak Island, Alaska (© Ian Shive/Tandem Stills + Motion)

Ancient carved texts from Persepolis, Iran (© George Hall/Alamy)

Golden larches and Prusik Peak, the Enchantments, Washington (© Jim Patterson/Tandem Stills + Motion)

European hedgehog sheltering in tree bark, Sussex, England (© Jules Cox/Minden Pictures)