What places are suitable for couples to travel together?

For example, Dalian, Beidaihe in Qinhuangdao, Dali in Yunnan, Jinan in Shandong, Eye of Tianjin in Tianjin, Sanya in Hainan and so on are all good tourist attractions in my opinion, and they are also very suitable for couples to go together. Two people can go to see some scenery they have never seen before and leave good memories together.