Translation of wieso

In the meantime I am listening to some Spanish CDs. They are intended for the car, but no one can tell you when to listen to it, how many times and how often. Please understand that I work a lot.
The place was amazing and very interesting although tourists ruled here. At noon we continued to see a waterfall called Agua Azul, which means Blue Waters in Spanish. It was a two hour drive.
She could not join me since her flight to Israel was supposed to leave in less than 48 hours. I helped her carrying the bag to a hostel in Cancun and we went together to the airport. I postponed my flight again.