For the past 20 years I have been building stone walls in the greater Seattle area. Here are some of them along with some info about the main variations available: Dry Stone, Masonry and Rockery. The image to the right shows a somewhat unusual scenario where the design called for building two walled-in planters that also served as retaining walls for the entrance to the raised house. Because we wanted to maximize the room for planting soil inside the structure, this was a r