The Kentucky Horse Park’s “Thoroughbred Exhibit” just opened and will run through the end of 2013. Here’s location and contact information, in case you’re interested. Address: Kentucky Horse Park, 4089 Iron Works Pkwy Lexington, KY 40511. Phone: (800) 678-8813.
There is also a nice article about the exhibit at: http://www.kyforward.com/2013/04/katie-shoultz-a-romp-through-thoroughbred-show-horse-history-with-the-wheeler-museum/
If you want to see lots of interesting photos and check out some amusing and sometimes insightful chatter, go on Facebook and view the open-to-the-pubic “USHJA Wheeler Museum” page: http://www.facebook.com/groups/122087217929774/?fref=ts