It's a bird, it's a plane, it's the ISS.
"Can I see the Space Station from my back yard?"
Yes, you can. Use the ISS Tracker to see if the Space Station is over your area; you can find out all the Space Station sighting opportunities: dates and times!
See also the "heavens-above" link to find other orbiting sightings that are possible for your area. (Currently set for Vancouver, but you can change this easily.) Pick from a list of satellites