Listen and subscribe on Stitcher, Apple Podcasts, Spotify, and all major podcast apps. In this episode of The Atlas Obscura Podcast, we bring you a Gastro Obscura classic: Inside a living, breathing collection of sourdough starters in Belgium. Gastro Obscura: A Food Adventurer’s Guide is a whirlwind tour of the world’s edible wonders is officially out today. Order your copy now! Our podcast is an audio guide to the world’s wondrous, awe-inspiring, strange places. In under 15 minutes, we’ll take you to an incredible site, and along the way you’ll…