A wildfire in Colorado has been burning for two months and is now the largest the state has ever seen, see how robotic dolphins could be the future at some of the world's most famous aquariums, watch a WWII bomb explode while being defused in Poland, and more popular videos from the past week you may have missed.
(6) updates to this series since Updated
They’ve been burning for two months and they’re slowing making their way towards Denver. Veuer’s Tony Spitz has the details.
Halloween is way more than tricks and treats. Organizers estimate there are over 1,000 haunted house experiences in the US. CNN went behind th…