Scenery is not countable, so you can't use "many."
There is a lot of beatiful scenery and many great buildings and wonderful facilities in the city.
The next time you do what?
I expect to go there again?
I expect to go there on my next vacation?
Please check the following sentences.
1. There are many beautiful scenery, great buildings and wonderful facilities in the city.
2. I expect the next time to go there.
Scenery is not countable, so you can't use "many."
There is a lot of beatiful scenery and many great buildings and wonderful facilities in the city.
The next time you do what?
I expect to go there again?
I expect to go there on my next vacation?
I'm not a teacher, but I write for a living. Please don't ask me about 2nd conditionals, but I'm a safe bet for what reads well in (American) English.