Translation of signo de exclamación

First of all I have to say that I am trying not to get myself into a situation where I have to eat thing that I don't like. That means that I have never tried a strange meal or bizzare food.
The climb was much exhausting than I had presumed. I had forgotten that we were at high altitude where there is less oxygen and that every step required double effort. It was a great exercise.
The Lagoon Explorer had only room for eight passengers and crew. We were really excited once we saw the boat, as it looked beautiful. There was a couple from D.C. which also booked the same boat.