2025-05-29 00:00:00 Discover 9 self-guided walking audio tours—one for each CityView Trolley stop—plus a bonus collection of top-rated tours across Massachusetts, all in one easy-to-use app. Each walking tour is packed with rich storytelling, fascinating history, and insider tips, crafted by local experts. Best of all, each tour loops back to its starting point, so you can hop back on the trolley whenever you're ready.