While you're in Damaraland, the Organ Pipes are just a short drive away from Twyfelfontein and the Petrified Trees. After paying a small tip for a guide to accompany you (there was no real indication if this is necessary or not so you might just want to roll with it) you descend down into a crevice so that you can walk among the rock formations. No explanation is needed as to why this area got it's nickname. Each basalt rock has a different hue, ranging from grey to reddish orange, further exposed over time as the land erodes away. It doesn't take very long to walk a short loop to the exit and is an interesting geological site to photograph and visit.