COBOL is still around, check it out on Dice.com. They may not teach it any more, but the code never dies.
As for punch cards, I kept a few stacks. They are really quite useful when doing a system conversion from mainframe to web. Ah, there is nothing like seeing a project manager turn grey when I say, "I found the original source code," while holding up a deck of cards. Good fun!
Keep Up with TechRepublic