Weird things your cat does?

Out of all three of my cats, Lily, the youngest at 8 years old, is the funniest. She is huge, so it suprises me that she can even do this. She gets into these weird, kitten-like moods where she will out of the blue run around the house like crazy. But she will do this Matrix thing where she will jump up on the door jam in our hallway, cling onto it for a few seconds as she looks at us with her crazy eyes, and then drop and take off running. It is the funniest thing to watch. I wish I had a video camera around when she gets in these moods. It's like she got into a heap of catnip.