Plant trees in front of, or instead of a fence. Some people want privacy without having a fence to maintain, or buy. My favorite houses have used rows of trees and shrubs as their fence. Its really pretty, and will give a lot of privacy after a few years.
GENIUS…Line a pathway with rocks painted in glow in the dark paint. During the day they “charge” in the sun and in the evening they reflect the stored light. Rust-Oleum Glow in the Dark Brush-on Paint.