you will come to - you are coming to
historic spots and interest places - historic and interesting places
I suggest that you can go and vist - I suggest that you(should) go visit
When you climb on the Great wall - When you are climbing up the Great wall
In the other days - on the following days
other famous place - other famous places
你的语法知识方面已经很不错了,没有太大的问题.
个人意见,仅供参考