The largest known Douglas-fir lives on Vancouver Island, is almost 1,000 years old and is 89 metres (291 feet) tall! The top of this tree is broken but it was believed to be 10 metres (33 feet) taller, which would have it 99 metres (320 feet) tall!
Canadian Tree Guide
There are hundreds of different trees in Canada. You can search for ones you've seen in your neighborhood, or just leaf through the silhouettes and learn to identify the different species.