From giant mountains to vast deserts, an American photographer spent a year capturing the diverse and beautiful landscape of the United States. The breath-taking images were taken by Randy P. Martin, 30, of Portland, Oregon, who travelled hundreds of miles across America and documented the most diverse and beautiful settings along the way. For Randy, the past year has seen him undertake countless road trips, navigate his route with maps made from napkins - with the help of Google Earth, walk miles across fields of lava rock and wake at 3am to see sunrise at 14,000 feet
What lies beneath this building site? Britain's great hope of winning the pre-WW2 arms race against Nazi Germany .
A group of shelter dogs showcase their loveable personalities in a series of passport-style photographs - in the hope of finding their forever homes .
HOPPING onto the scales, these adorable baby Humboldt penguins are ready for their first weigh-in .
A doting seal smiles at her sweet little pup as she tickles its tummy on the beach .
THIS BIGFOOT 'Jesus bird' may look silly, but he's perfectly designed for walking on water .
FLOATING effortlessly on his back, this little otter laps up a rare glimmer of English spring sunshine .
A diver explores the crystal clear waters of the Silfra canyon in southern Iceland, which is the only place on Earth where you can dive or snorkel between two continental plates .
A proud gorilla mum welcomes her newborn baby western lowland gorilla, a critically endangered species .
Jostling their quills into the noses of some unlucky cubs, this is the moment two feisty porcupines ALMOST defeat a pride of seven lions .
With their guts spewing and eyes hanging out, these are the cuddly toys children might be reluctant to curl up to .