Brainiac is a science investigation show broadcast in the United Kingdom. Brainiac is known for a humorous, light-hearted approach to the subject, as shown by this video on Alkali Metals:
Also common on the show is an appreciation for dangerous materials, such as the industrial compound Thermite.
Then you get a relatively famous episode of Discovery Channel's Mythbusters. Put simply, there is a very efficient way to remove cement from a truck. Unfortunately, it also removes the truck.
The Museum of Natural History in Los Angeles recently had a live action Dinosaur, operated by puppeteers and actors, walk around the halls of the museum, entertaining adults and scaring children.
I think it is a Tyrannosaur, but don't quote me on that.