That time I felt like I had traveled back in time in Isfahan, Iran.
While the Silk Road has been replaced by shipping lanes and air-freight, you can still find the ancient bazaar atmosphere in pretty much any major city in Iran.
It's busy and crowded, but in a good way. No pushing, no aggressive behavior, just trade done as it has been done for centuries. Like in past times, many of the goods for sale are from China, but unlike before they're now mostly made of plastic. Fortunately, there's still lots of spices, textiles and more local handicraft, too. I really enjoyed it.
My Grandma was born there and left when she was around 8 or 9 and then returned in her teens before getting married and moving abroad. She always said how beautiful it was, I honestly have no idea, but she was convincing
They see so few non-locals there, that ripping off strangers hasn't really developed into a thing. If you see someone else pay whatever for something, you can easily get that same thing for that same price. Otherwise lots of things have a fixed and posted price. Other items can be bargained for. Or you can just ask what the price is, and they'll let you continue on your way without any further discussion if you don't like the price. Then you can ask for the price at another stall selling the same thing, and quickly figure out if you're being quoted a reasonable price or not. I was generally able to buy stuff at prices much lower than I was expecting.