A little brown bear cub shows his doting mum that she is always on parent duty as he uses her as a scratching post. These adorable photographs of two playful bear cubs and their watchful mum were captured by American nature photographer D. Robert Franz, 56, on a visit to Lake Clark National Park, Alaska. 'What we see in these photographs is the interaction between the mother brown bear and her two cubs,' says D. Robert, of Cody, Wyoming.
BALANCING 30 metres above ground, these slackliners take the expression of living dangerously one step further, by tightrope walking NAKED .
These photographs of extreme weather capture storms furiously rolling across the sky above America .
USUALLY full to bursting, these London Underground stations stand silent and completely commuter free .
A terrified moose, trapped in a frozen lake, bobs her head above the icey water and awaits her rescue .
SPLASHING in the water and fighting in-between rocks, these energetic tigers enjoy their fun-filled morning .
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 .
A luxury caravan with a price tag of ONE MILLION DOLLARS is due to hit the road later this year .
BEAUTIFULLY lit by the dim glow of lanterns, a cave in Iceland is transformed into the perfect wedding venue .
WELCOME to the 125 decibel boombox bus that could damage your hearing if you party too close to its giant speakers .
VIBRANT bursts of colour fill the screen as beautiful flowers blossom in these time-lapse videos .