Here is some help for your trip across Canada project. This is only a starting point - You have to do some of the research on your own. If you are stuck on anything, please come and see me ASAP!!
Explore Canada - helps you book and plan a trip
Canada Guide - Gives facts for each Province such as: History, food, geography, accomodations, transportation etc...
Oh Canada! - A super site filled with lots of information and different links!
Via Rail Canada - You could take a train! Check out the schedules and prices at this site.
Canada World Web Travel Guide - gives visitor information on car rentals and places of interest for each province.
Alamo - car rental
Avis - Car rental
Hertz - Car rental
Thrifty - Car Rental
Travelocity - Airplane prices