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
A group of otters put on a show of aqua aerobics, as they raise their flippers perfectly in sync .
These beautiful photographs show how these playful pods of dolphins make their own fun by gliding, flipping and spinning through the air whilst enjoying the sun on their backs .
A little brown bear cub shows his doting mum that she is always on parent duty as he uses her as a scratching post .
Throwing a right hook as he launches onto his opponent with his gnarling teeth at the ready, this is the OTTER-LY ruthless showdown between two otters .
ESCAPING A LANDFILL FUTURE, these amazing science fiction inspired sculptures are made from everyday objects .
SOARING at 112 miles per hour through the air, this petite blonde certainly lives up to her title as the fastest flying woman in the world .
A TEN-THOUSAND square foot wide Avatar-style grove is such a beauty it will leave you feeling VINE .
SHOWING off her best assets for the camera, this cheeky orangutan is in the mood for love, puckering up her lips to blow the biggest kiss she can .
An adorable black bear cub struggles to find the perfect spot for an afternoon nap as he wriggles around on the branch of a maple tree .
THESE are the Disney Princesses you wouldn't want to run into in a dark alley .
A pair of adorable polar bear cubs play-fight with each other in the Alaskan snow .
An Italian photographer travelled to the highlands of New Guinea where he met an Indonesian tribe untouched by the modern world .