Translation of tenacious in German

So she and I went to the food store to buy some lunch. However, the store had almost no food and one could pay in local currency or in US dollars. One could really see the country's poor economy.
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.
I visited the Hurricane watch center's website on a hourly basis hoping it would just go away, bt hurricane Ivan was on a direct path to Havana. It did not stop my vacation plans and I left the office.