I’m visiting Manhattan for the first time and I’m looking for the best way to spend my day there. I’m looking for a mix of sightseeing and activities that will give me a good feel for the city. I’d like to experience the culture, history, and attractions that make Manhattan so unique and special. I’m open to anything, from a guided tour to exploring on my own. What are the must-see attractions and experiences that I should try to fit in during my day in Manhattan?