From Rick Steves’ Europe. Get a 30-second glimpse of Rick Steves’ newest episode — premiering fall 2025 across the US on public television, and streaming (free!) at https://www.ricksteves.com/watch-read-listen/video/tv-show Istanbul’s rich heritage spans the centuries from Christian Byzantium to Muslim Ottoman rule to today’s thriving city. We start our look back at the Roman-tinged Hippodrome, then…