Flat is boring. Terraces, berms (mounds) and boulders create interest.

Squares can be disturbing. Ovals are relaxing.

Straight sidewalks drain energy. Curved sidewalks restore energy.

Up-slope and down-slope yards cry out for terraces, curved stairways, and boulder retaining walls.

Entryways lend themselves to one's creativity.

What is more elegant than a "water feature" in one's entryway?