I recall doing the same as a kid (and as a young adult). The one I remember searching for were the Axis network cameras:

inurl:/view.shtml [1]

and

intitle:”Live View / – AXIS” | inurl:view/view.shtml^ [2]

[1] http://www.google.com/search?q=inurl:/view.shtml

[2] http://www.google.com/search?q=intitle%3A%22Live+View+%2F+-+...