A weathered sign in the Minnesota River Valley proudly proclaims: “World’s Oldest Rock.” Erected in 1975, it marks a 3.8-billion-year-old gneiss — or so scientists thought.

White River Rocks has landscape supplies to make your garden or yard look amazing this spring, with a great selection of mulch, soil, compost, sand, gravel, flagstone, rocks, and more.

The basalt stone fountain from Costco is a great choice if you're looking for a garden water feature. Though expensive, it costs less than similar options.