Rose Bowl Stadium, 1001 Rose Bowl Dr, Pasadena. June 14th. The Rose Bowl Flea Market — 2,500 vendors, the largest in California — runs its second-Sunday format in June with the specific inventory that moves as summer fashion cycles and vintage buyers make room in their collections for fall. The Rose Bowl runs by geography: the serious buyers work the outer rings before 8 AM, where the dealers set up the inventory that moves before the casual crowd arrives. Mid-century furniture, deadstock denim and sneakers, vintage jewelry, original art, old records, cameras, ceramics — it's all present, none of it organized. The discovery requires patience and a route. Come at …