Did you know it is possible to see the International Space Station (as well as some satellites) with the naked eye? Well, armed with the right information you can do just that.
Image credit: Wikipedia
All you need to know is what time it is visible in your area, what direction to look and the trajectory. You can find that information (and more) on Nasa's Spot the Station website. At various times and dates it is visible all over the world.
Give it a try--it's pretty incredible!