Rathfarnham Castle is a great place to visit before or after a bit of play in the playground. It's not big, but its subtle details are definitely worth a closer look.
Tours are self-guided, so visiting the castle is OK with toddlers as well.
![](http://dublinfox.com/img/bustour.png)
How to get there: Bus: 15c, 16, 16a, 17, 48n, 74a, 75