This weekend, if you're in the USA or Southern Canada, you might be able to see both the ISS and Space Shuttle in the sky at the same time.
Quote from article:
Type in your local here and see when to look up!What makes this weekend's prospective passages so interesting is that you'll be able to see the two largest orbiting space vehicles in the sky at the same time.
After liftoff from Florida, Shuttle Discovery will spend nearly 44 hours chasing the International Space Station around the Earth, ultimately catching up and docking with it around 11:25 a.m. EDT on Monday, if all goes as planned.
And, if you've got a big telescope, you might see this: