Google earth is pretty good when there's not much else to do, you could also go to mininclip.com and play some cool games or even read up on some crazy thing you have never heard of in your life at wikipedia.
Let's spice it up a little. Following on from Aabbccdd's advice, first turn off your antivirus, then your adware,spyware or anonymous surfing software and remove your firewall AND THEN go surfing porn sites. I guarantee that you'll be very busy thereafter.
Or visit http://goruninfrontofabus.com for instructions on what to do instead of starting these inane threads. Uhhhh I've already warned you about these crap threads and posts - we're not a chatroom for bored teenagers. This is your last warning.