What are the best places to visit in Pakistan in August to November

Please suggest me some best and must visit destinations in Pakistan to visit in August to November. I am planning a trip to Pakistan in August and want to explore the natural beauty of Pakistan. I will stay there for 2 months and only in these two months I will visit Pakistan and explore natural beauty. Also suggest me best tour and travel agency who make tour unforgettable. I contacted a tour and travel planner in Pakistan named Ghom Lo Pakistan. If in your network you know any good services provider for tour in Pakistan please share with me. The agency I want to book my tour from is as follows