Interesting ideas for you garden
.. and here is the sloped curved garden maintained by sleepers (3 good pictures for added inspiration!)
Curved timber retaining wall with vertical railway sleepers, great against a lawn. Very low maintenance
wood retaining walls | ... Wall , Pine Sleeper Wall , Retaining Wall , West Coast Retaining Wall Looks great - one for when I win the lottery!
Sleeper retaining walls and pavior capped steps
Raised garden bed - stone I love this!
sleepers retaining wall - Google Search
hmmm. could be a neat border around the front... we do live in a log home so it kinda fits.
directions for retaining wall
I like the stairs here...fill in with wood (rather than gravel or something else)