Hi from Winnipeg!
The aviation museum web site is here
http://www.wcam.mb.ca/
Some pics from airlines.net on the heritage park
http://www.airliners.net/search/photo.search?placesearch=Off-Airport%20-%20Winnipeg&distinct_entry=true
more info
http://www.world66.com/northamerica/canada/manitoba/winnipeg/museums/airforceheritageparkmuseum
the heritage park in on the sse side of the airport via Sharpe Blvd off ness avenue - all open ot the public, I bike over there lots in the summer.
There is also a medal display in the air command ( BIlly Bishop bldg) on the west side of the road accross from the airforce heritage park
the Beech 18 and DC3, and the B25 are on the west side of the airport via Whytewold Ave off Ness Ave inside the air base complex, there is a guard at the gate.
the WCAM air museum is on the east side of the airport via Ferry Road at Ellice Ave.
all are about 10 minutes drive apart.
Hope you have a great visit.
-ken