Form, function and finesse transform seemingly simple stacked retaining walls into works of art and true engineering marvels. We'll show you how to make "rock stars" out of slabs of stone that hold soil from sliding down slippery slopes.
It’s Black Friday week on WonderHowTo! Don’t miss out on all of the big sales in the Gadget Hacks and Null Byte shops. And if you’ve been wanting to take some classes without going into debt, check out our best deals on online courses for a variety of skill sets. Don’t miss out on these huge discounts: