Los Angeles: Variety / diversity

L.A. is, of course, the most important nexus of immigration in the world. Just look at our concentration of Vietnamese, Filipinos, Salvadorans, Samoans, Thais, Armenians, and of course, Mexicans (pictured, Olvera Street). Huge swaths of midtown have essentially become a district of Seoul. And here, the newcomers cook for themselves—it’s not just Chinese, but Hangzhou, Xinjiang, or Shandong.

Score: 10