In order to feel the atmosphere of Iceland as much as possible, I advise you to use the help of these guys. I chose the most interesting tour for myself. I learned a lot of new information about the history of Iceland, its culture and saw the sights. I also tried a lot of new things. Like diving
https://icelandadventuretours.is/tours/snorkeling-in-silfra-iceland/. It's awesome! I experienced many new sensations that I will never forget. I want to visit Iceland many more times!