Go to www.smartmls.com, go up to the Resources menu and click on the Member Tour Schedule link.
Note: This list is not comprehensive.
There are a lot of towns within the state that are not on this list. If the town you are looking for is not on it, please reach out to that town's local Board of Realtors to see if there is a caravan or broker tour schedule for it. You could also do a Broker Tour search in Matrix for that town to see what days/times other listings are using for tours.