USA, Texas, Big Bend National Park, sunrise over Sierra Del Carmen Mountains

Canada, British Columbia, Whistler Mountain and Green Lake at dusk

UK, Cumbria, Lake District National Park, Kirkstone Pass

'Two boys (11-13) standing on rock in lake, holding net, portrait'

USA, California, Death Valley National Park, low angle view

Highland cow in farm field

Stream in forest ,long exposure

England, Cumbria, Lake District National Park, Castlerigg Stone Circle

Young man reaching for tree branch in park, young woman watching

CROSS COUNTRY SKIING IN YELLOWSTONE NATIONAL PARK, WYOMING

Florida softshell turtle, Apalone ferox, sunning itself on a creek bank. Everglades National Park, F

Florida redbelly turtle, Pseudemys nelsoni, sunning itself on a creek bank. Everglades National Park

Tree ferms in rainforest

USA, New Mexico, Otero County, White Sands National Monument

Vine maple leaves (Acer circinatum) in rain

USA, Arizona, Tucson, Saguaro National Park, saguaro cactus at sunset, low angle view

USA, Utah, Zion National Park, Fremont cottonwood trees, (Populus fremontii)

Peak District National Park, Derbyshire, England

Path in a forest

Cows in New Forest, Dorset, Great Britain, Europe

Cows in New Forest, Dorset, Great Britain, Europe

Slottsfontänen vid Drottningholm

Maroondah Reservoir, Healesville, Victoria, Australia

Coonabarrabran, New South Wales, Australia.