Yes, you will primarily find RC model air crafts at hobby stores. You can find them at a number of different stores including at Hobby lobby. You will also find them at online stores such as http://www.hobbyking.com/, www.horizonhobby.com and www.nitroplanes.com
A number of US based online stores sell remote control aircraft. Two such examples are Horizon Hobby (http://www.horizonhobby.com/RC/) and Hobby Lobby (http://www.hobby-lobby.com)
Yes you can buy model rc airplanes at hobby stores. If you are looking for a specific model or if you want to go in person to a hobby store, it might be a little more difficult.
Calgary has several Hobby and RC shops from which to purchase a Radio Controlled (RC) Model Aircraft. Look through local listing or internet map site for these stores: Action Hobby, PM Hobbies and Model Land. An Alternative would be to contact the Calgary Miniature Pylon Racing Association, an RC Airplane Club in the Calgary area.
Various hobby stores may carry RC model airplane kits, but for a larger variety and price options http://www.nationalbalsa.com is a website where you can browse and find what you're looking for.
Amazon.com and RCTOYS.com along with many other hobby stores have excellent inventories of RC blimps available in the online world. If you wish to purchase an RC Blimp without going to a website, check out Hobby Lobby or other hobby stores in your area.
Some models of a sedan car may be found at a hobby store. Some examples of hobby stores are Hobby Town, Hobby King, Horizon Hobby, RC Buyers Warehouse and RC Boca.
Hobby City sells a number of products that include: model cars, model planes, Japanese model kits, RC planes, RC helicopters, RC gear, mini trains, batteries, and chargers.
Brick and motor options for RC model kits for cars would be hobby shops or arts and craft shops. Also, more of a long shot, some department stores' toy aisles could have these.
You can find RC plane kits at hobby shops, online retail stores like Amazon or eBay, or specialized websites that sell radio-controlled aircraft products. Some popular brands that offer RC plane kits include Tower Hobbies, HobbyKing, and Horizon Hobby.
Many hobby stores sell RC car accessories. I am not sure what else stores because I am not familiar with RC Cars or RC car accessories. You could check it out for yourself and see what you come up with.
Information on RC airplanes is available in many books in book stores, libraries, and hobby stores. There are also many websites that have a lot of information on RC airplanes.
One can buy a Nitro RC Buggy at many different toy and hobby stores including RC Hobby Models and The Entertainer. They can also be found online at Nitrotek, eBay and Amazon.