Jonathon Winters suffered from mental illness not long before he did "It's a Mad, Mad, Mad World", which is without question one of the funniest movies I've ever seen. He talks about that time here:
[youtube=425,350]http://www.youtube.com/watch?v=XUDK44VBFB4[/youtube]
RIP, Jonathon. Absolutely one of the greats.
The famous gas station destruction scene from "It's a Mad, Mad, Mad World."
[youtube=425,350]http://www.youtube.com/watch?v=lZ9N7oCKC1E[/youtube]