Translation of colossus in German

Our main destination was not Cambodia and we had actually decided in the last minute to add this country to our trip. We were very happy about our decision and enjoyed every moment here.
Anyway, back on the boat station we tipped the father and left. The bus was already waiting although we were the first ones to arrive. We had to wait nearly one hour until everybody was back.
We walked almost every alley in Cusco, stunned by its beauty and ignoring the developing altitude thickness, which resulted in the most horrible night of our lives.