TEXAS: Austin - The Hill Country Flier is a steam train that takes you from Cedar Park to Burnet where you can shop, eat, and even take in a gun fight. Also available are murder mystery themed dinners on the train.
Cavern Tours Georgetown, TX Central Texas has cave after cave. The area is known as the Hill Country, and you can visit caverns and caves all over the area centering around Austin. I have been to several and enjoyed them.