this is a volcano and our good buddy jeff mackly is shooting footage. this is water that's about to be thrown into the lava lake. >> invigorated the activity. >> that is dangerous. >> how do you know if it's going to bubble or just be enough activity to trigger more activity? it can blow up. >> no. >> it's cool. isn't that much of a trigger. it's only a thing with water. think about it. you need an incredible amount of water to get that spewing stuff above the rim of that lake. >> that's cool. >> the fact we are getting to see this lava lake again, one of the most inaccessible volcanos in the world and one of the most active in ethiopia. it is continuously active. >> this is the adventures of superboy and his brother. mom is rolling video. >> unlock it. unlock the door, please. go ahead. open it. unlock it. okay. i'm help you. >> superboy does not fully come into his powers so mom has to help him out. there is something behind the door that only superboy can solve the mystery. >> come on in. >> it's daddy! >> thank you for your service, chris. chris has

now, some of the video might look a little familiar because our friend jeff mackly pioneered this expedition into the volcano. >> a big difference when we saw jeff do it, he was in that silver, protective heat suit. this is like a sweatshirt and cargo pans. >> he's protected but george was part of the expedition, he's there in that giant heat protective suit. he claims it was so intense it started to melt camera equipment. at this moment less people have explored the volcano than on the surface of the moon. the shot intense. >> enormous that is compared to the tiny, little man. >> volcanos, there's a certain predictability but the fact they're volcanos, very unpredictable. if something goes wrong while down there, that's it. >> i think it's worth the risk. it's awesome to be able to do this. not everybody gets to. >>> a couple of accident videos coming up for you. first one from russia. this footage is as shocking as it is spectacular. this, as you can see in the video, is an michl, at the air show. you may notice where things are a little bit off. >> gracious. other gracious. >> now that's