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.
Big fish, big bucks and a good old fashioned play in the mud has these guys getting down and dirty.
Deep Sea Thruster
See images from the Blowdown series on National Geographic Channel.
Find out how the 2006 liquid bomb attack was thwarted.
Experts trek across vast landscapes searching for clues behind animal attacks.
This Romani family is steeped in honour, living by their own rules and traditions.