If the weather's not playing nicely, why not head to Das Alte Fort Museum? You'll be surprised just how much you can learn about the past here.
Located in Grootfontein, this collection of historical artifacts is worth including in your schedule. But you'll find a great deal more to check out in this area. Old Apostolic Church Namibia, and Grootfontein Evangelical Church aren't too far from Das Alte Fort Museum.