Big cities are indistinguishable from other big cities in other countries. All big cities mostly have the same culture. That's why I liked the Japanese perspective on us. They saw cool things that they liked and included in their fiction that contained us.
If you want to experience American culture I recommend https://www.youtube.com/@PeterSantenello
America doesn't have one culture. It has 500 cultures. But the ones that other cultures notice are the ones I listed. Cities literally stink.