Excellent suggestions - one can do the Historical Society, Burchfield Penny and Albright Knox Galleries, and Shakespeare in Delaware Park in 'one fell swoop' (apologies for the Macbeth reference).
Depending on the weekend, maybe even catch some music/wine/beer at the BECHS 'Party on the Portico'...
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My suggestion for the Darwin Martin house is 'do it Wright' -
Darwin Martin House
Be sure to take in the Darwin Martin summer home in Derby...
Graycliff
...as well as the other FLW structures in BuffTown - the Heath House on Soldiers Circle, and the Davidson House on TIllinghast (both built for Larkin Co. execs), and the FLW mausoleum at Forest Lawn and Boat House on the Black Rock Canal (new home of the West Side Rowing Club).
FLW in Buffalo
And for the 6 y.o., kids like cars - how 'bout a Bisons game combined with a visit, just a few blocks from Coca Cola Field, to the...
Pierce-Arrow Museum
If you're an architecture buff, Buffalo will not disappoint...
National Trust for Historic Preservation Names Buffalo, New York to its 2009 list of America’s Dozen Distinctive Destinations
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