Yes, every garden has rocks (sometimes annoying quantities of them), but we’re talking about big rocks—in some cases, boulders—that have been placed artfully into the landscape.

The city has placed boulders at least 20 locations. ... drawing ire from community advocates. ... the city spent about $163,000 to place more than 1,000 rocks and boulders across the city.

Water gushes over rocks and boulders as Salt Creek approaches Graue Mill in Oak Brook, an 1850s-era landmark where kernels of corn are still ground into cornmeal the old-fashioned way.