Translation of mystery in Spanish

The airport was huge, compared to Siem Reap's one, of course. We expected something similar to Bangkok's airfield but it was completely different. We stood in line for the passport control.
I am learning Spanish in university but I also have to improve it for private reasons. Do you have any suggestions. It is giving me a hard time lately as it is difficult. I need to be very patient.
The next morning we got up a little later than usual. After leaving our room we recognized that this town and region was stunning. Desert and high volcanoes all around us. The place was superb.