Places to visit in Leon and Paris?

We'll be spending 2 days in Paris and 7 days in Leon. We'd like to cover:
1. Louvre Museum
2. Disneyland
3. Champs Elysees
in Paris, but we're clueless about Leon. Any suggestions? Is our Paris itinerary feasible? Any more places that we can cover? Thanks.
Update: Oops sorry, its Lyon not Leon:D
Update 2: Well Disneyland is a MUST, since my younger sister is accompanying us and wants to see "all the Disneyworlds in the world."
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