Hohenzollern castle in autumnal scenery at dawn, Hechingen, Baden-Wurttemberg, Germany, Europe

Young African Elephant (Loxodonta africana), Addo Elephant National Park, South Africa, Africa

African Elephant (Loxodonta africana) baby and mother, Addo Elephant National Park, South Africa, Africa

Two African Elephant (Loxodonta africana) greeting each other, Addo Elephant National Park, South Africa, Africa

The Black Cuillin mountains in Glen Brittle from the Fairy Pools, Isle of Skye, Inner Hebrides, Scotland, United Kingdom, Europe

The Falkirk Wheel, connecting the Forth Clyde Canal to the Union Canal, Falkirk, Stirlingshire, Scotland, United Kingdom, Europe

Winter in Glen Etive, the Highlands Region, Scotland, United Kingdom, Europe

Sunrise breaks through on to a wintery landscape at the Old Man of Storr, Isle of Skye, Inner Hebrides, Scotland, United Kingdom, Europe

The Black Cuillin mountains in Glen Brittle from the Fairy Pools, Isle of Skye, Inner Hebrides, Scotland, United Kingdom, Europe

The Black Cuillin mountains in Glen Brittle from the Fairy Pools, Isle of Skye, Inner Hebrides, Scotland, United Kingdom, Europe

California sea lion bulls (Zalophus californianus) underwater, Los Islotes, Baja California Sur, Mexico, North America

Fairy Pools, Isle of Skye, Inner Hebrides, Scotland, United Kingdom, Europe

Cuillin Mountain range in the snow from Ord Beach, Isle of Skye, Inner Hebrides, Scotland, United Kingdom, Europe

Panorama of Shiqiao Lake of the Wulong Karst geological park, UNESCO World Heritage Site, Wulong county, Chongqing, China, Asia

Icebergs on Jokulsarlon black ice beach, Iceland, Polar Regions