1) Go to Google. Type "Google Gothic" and then press "I'm Feeling Lucky". This one is hilarious.
2) Type "Google Cheese" and press again "I'm Feeling Lucky". You get the Google Moon. Then zoom in and what do you get? That's right - cheese.
3) Type "Google Loco" and press "I'm Feeling Lucky". You get a really fun page of Google. When you type on it the textbox changes colour.