The Toronto Islands are really nice.
http://www.toronto.ca/parks/island/
He can wear his Hab jersey and go visit the Hockey Hall of Fame. He should have fun talking real loud and saying, "Wow 1967 was the last time the Leafs won the cup, I think my dad was still in diapers."
http://www.hhof.com/
You can go visit the Dead Sea Scrolls at the Royal Ontario Museum and ask when they're going to come out as an ebook.
http://www.rom.on.ca/scrolls/
You can go to the Ontario Science Centre and watch Star Trek on the IMAX dome.
http://www.ontariosciencecentre.ca/i...myyyy=16082009