I would like to get pictures of the courthouse down in Goliad. There is a historical marker in front of the "Hanging Tree" which is a tree that they used to hang convicted murderers and cattle thieves from. The tree is still there (and it is huge), and there is a cafe across the street from the courthouse which is called The Hanging Tree. The architectural style of the courthouse in Goliad is very similar to the courthouse in your photograph in the OP.
The missions in/around Goliad are really cool too.
On my list. (Which I don't think I'll ever complete.) I love the wide variety of styles in the old courthouses. And the old theaters. And missions and churches. And rail depots. And...