India is the most un-American English-speaking (largely) country on earth.
(Not "un-American" in the Cold War sense, but in the "most unlike America" sense).
It's an assault on your senses, your common sense, your sensibilities and your generally accepted understanding on how a society functions. In five trips there, I've yet to figure out how a single person gets through their day alive, fed, hydrated, sheltered and employed; yet every day, a billion+ do just that.
If you want to turn your understanding of the world on its head: India.