make safe a sloping backyard with a retaining wall, steps, or a deck; grow food in raised beds made from rot-resistant lumber or landscape timbers or gardens defined by landscape timber edging ...

One of the easiest materials to use to build your retaining wall is cement blocks ... While you could use other materials ...

Dean, Miriam and the Hometime crew replace some decaying timber terracing with a series of faux stone retaining walls ... a deck with a paver patio and new landscaping.