First, as one reviewer put it, call ahead---- especially during the winter months when it may have limited hours or closed all together.
The walk through displays are very interesting and have some interactive exhibits and animatronics in most. The displays don't too badly gloss over the darker times in Kentucky history such as slavery and the civil war. There is a small cost for the walk-through which also covers admission to the Kentucky Military Museum and the Old State Capital (check on hours for them as well). During the spring, expect to see throngs of school children during the week.
Besides the walk through exhibits, there is also a changing exhibit area which was empty when we visited. The Thomas D. Clark library is upstairs where you can find a repository of extremely valuable Kentucky History. Security here is very high. The Hall of Governors features the portraits of all the past governors plus some artifacts and highlights of each administration.
there is also a small garden behind the center with native plants and trees which is a nice get away and place for a sack lunch if it's open.
All in all, this kept a 16 year old intersted for a couple of hours; and this one has the attention span of a gnat! :)
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