A well drained and a not so well drained wall
Using upright railway sleepers as a retaining wall
The Homestead Survival | How To Build a Retaining Wall with Drainage DIY Project | Homesteading & Gardening
how to build a retaining wall with blocks | Diamond Block Retaining Wall with Flower Bed » M-Cubed Construction
How to build a retaining wall with railway sleepers?
I like the idea of using curved edges to stop the garden looking to blocky.
Building a Concrete-block Retaining Wall - Building Masonry Walls - Patios, Walkways, Walls & Masonry. DIY Advice
Brick/stone retaining wall with curved shape is a unique way to define a cozy outdoor seating area.
Black Decker Projects and Advice | How to Build a Retaining Wall Using Timbers
Low Cost gabion stepped retaining walls Cheaper than block stone gabion walls are easy to build http://www.gabion1.co.uk