To seek travel Advice from San Jose, CA (Toronto)

Hello!

I am planning to trip to Canada- (First time) during 6/ Protected content . It is so vast country. I prefer to see the different places than only one region in Cadanda duruing my time, Any tip of advice including travel agency, travel package, which side of the canada will be better for sightseeing etc?

I am coming from San Jose, CA.
That would be very much appreciated.

Collette.