Experts are still trying unravel the secrets of the mind.
Mind bending tests that are having these people scratching their heads.
Images from the new episodes of Alaska State Troopers.
The Human Stash
Captured moments of man and dog in training situations.
Metal detectors, exploring and digging all add up to a good old time for these guys.
See photos of the border security officers in action
Animated Images from the Known Universe
In the animal kingdom, there's no shortage of bizarre behaviour. Take a look at some real freaky images of some weird and wonde...
At JFK International Airport in NYC, officers encounter extreme smuggling cases.
Stonehenge Decoded (4)
The decade when mass production came to Britain
Images following the team as they dissect the largest animals on the planet.
Known Universe Team Images
Gizmo and Indigo, Diego, Valley & Whiskey
Bite Me India