Water vole (Arvicola terrestris), swimming, Gloucester and Sharpness Canal, Shepherd's Patch, Gloucestershire, England, United Kingdom, Europe

Snow-covered peaks of Karokoram Mountains, Skardu Valley, North Pakistan

Intruiging and whimsical shapes and patterns in the giant Opuntia cactus (Opuntia echios) of the Galapagos Island Group. MORE INFO: This cacti is endemic to the Galapagos Islands.

Intruiging and whimsical shapes and patterns in the giant Opuntia cactus (Opuntia echios) of the Galapagos Island Group. MORE INFO: This cacti is endemic to the Galapagos Islands.

Intruiging and whimsical shapes and patterns in the giant Opuntia cactus (Opuntia echios) of the Galapagos Island Group. MORE INFO: This cacti is endemic to the Galapagos Islands.

Cactus in bloom in the Sonoran Desert of Baja California, Mexico.

Close-up of a Bengal tiger (Panthera tigris tigris) lying in the forest, widely yawning, Madhya Pradesh, India

Spiky ice formations along the ice wall of the Matanuska Glacier on a cloudy day, Sutton, Alaska, United States of America

Red piranha, Serrasalmus nattereri, South america, freshwater river, Amazon Basin

Red piranha, Serrasalmus nattereri, South america, freshwater river, Amazon Basin

Red piranha, Serrasalmus nattereri, South america, freshwater river, Amazon Basin