“Did you see the Fountain of Youth?” I ask Jessica, the graduate student living with us. She is freshly back from a day trip to St. Augustine, Fla., our country’s oldest city and home to Ponce de Leon ...

From gentle trickles to bird-friendly basins, here’s how garden fountains are bringing calm vibes—and smoke-free comfort—to outdoor gatherings. If you haven’t heard of the term sparden or spa-den yet, ...