I can't imagine finding this place without help of a guide, or a taxi driver perhaps. It's a beautiful garden with oodles of Chinese history, buried deep inside old Shanghai. You'll be smothered by lots of natives selling their wares, even inside Yu Garden. I would definitely suggest using the knowledge of a tour guide because there is no audio headset system and signage lacks in many areas. Overall, though, no trip to China would be complete without spending some time in a garden like this. A tip as you move from room to room -- watch the thresholds, they are customery and signify the importance and power of the owners (the higher the threshold, the more important the owner).