What lies beneath this building site? Britain's great hope of winning the pre-WW2 arms race against Nazi Germany. The “Shadow Tunnels” under Birmingham's Longbridge site in are the remnants of Lord Austin's secret plans that were hatched to bolster British military might in the face of German military aggression. Pictures show the site where munitions workers produced the Merlin engines that powered the Spitfires and Hawker Hurricanes used to win control of the British skies during the Battle of Britain in 1940. Local urban explorer Tom Robinson, 20, delved into the tunnel to bring back exclusive picture of Great Britain's hidden wartime heritage
At first glance what might look like ordinary rusty bridge and road railings, are in fact amazing works of art .
FLEXING his muscles and staring straight at his opponent, this bodybuilding squirrel is the nuts .
HOPPING onto the scales, these adorable baby Humboldt penguins are ready for their first weigh-in .
Splashing around in the water, a mother otter and her son are tangled in a family feud .
An Italian photographer travelled to Chile where he visited several star-gazing sites, home to some of the world's most advanced telescopes, located in the spectacular setting of the Atacama desert .
A frilled lizard appears to be belting out a tune as it sits in a tree with its mouth open wide .
This frozen lighthouse in Michigan could easily be mistaken for a still from the snow swept disaster movie The Day After Tomorrow .
These adorable pictures show the moment two cuddly red panda cubs take their first look at the outside world and are weighed for the very first time .
A brave leopard kicks back and relaxes in the sunshine - just inches from an enormous crocodile .
MASKED intruders look sinister but really they are a gang of urban exploring pranksters .
An Australian explorer has travelled the globe with a toy pig, known as Travel Piggy, in search of a missing cuddly companion .