A small group of people trekking through primary rainforest, Gunung Mulu National Park, Sarawak, island of Borneo, Malaysia, Asia

Adelie penguins (Pygoscelis adeliae), leaping near breeding colony, Heroina Island, Danger Island Group, Antarctica, Polar Regions

Adelie penguins (Pygoscelis adeliae), leaping near breeding colony, Heroina Island, Danger Island Group, Antarctica, Polar Regions

Portuguese Man 'O War (Physalia physalis) floating on the surface off the Cape Verde Island Group in the northern Atlantic Ocean.

Portuguese Man 'O War (Physalia physalis) floating on the surface off the Cape VErde Island Group in the northern Atlantic Ocean.

An adult Adelie penguin (Pygoscelis adeliae) leaping into the sea to forage in the Danger Island Group in the Weddell Sea, Antarctica.

Portuguese Man 'O War (Physalia physalis) floating on the surface off the Cape VErde Island Group in the northern Atlantic Ocean.

Portuguese Man 'O War (Physalia physalis) floating on the surface off the Cape Verde Island Group in the northern Atlantic Ocean.

An adult Adelie penguin (Pygoscelis adeliae) leaping into the sea to forage in the Danger Island Group in the Weddell Sea, Antarctica.

Speed hump warning sign, Caution Children sign, Faroe Islands, island group in the North Atlantic, Denmark, Northern Europe

This dive site off the Kona coast is known as A Touch of Gray and is home of several juvinile Grey reef sharks (Carcharhinus amblyrhynchos), Hawaii, United States of America

This dive site off the Kona coast is known as A Touch of Gray and is home of several juvinile Grey reef sharks (Carcharhinus amblyrhynchos), Hawaii, United States of America

A group of people climbing on the Svolvaer Goat, 150-metre (490 ft), a jagged pinnacle high above the landscape of the Lofoten, Austvagoy, Lofoten Islands, Norway