I will visit some temples in the city but this one is apparently the most famous:
Indeed, the special thing about this one is that monks are available to talk to you about Buddhism, and this will be an opportunity to understand this religion and culture.
It is located in the centre of the old town of Chiang Mai. so I will do it when I will take a day to visit the town itself.
It is apparently very nice to see it during the day but also at night time with its lights: