If your sloping backyard feels featureless, consider adding a curved retaining wall with a garden bed overflowing with flowers. Learn how to DIY your wall here.

Building a stackable retaining wall may seem like a project for a professional, but it's actually something you can do ...

A retaining wall allows you to turn a useless (for landscaping purposes) slope into a terraced, flat area. And perhaps the easiest way to build such a wall is with used railroad crossties.