Translation of subversive in German

I'm looking to move to Spain in the summer and hoping to visit my friend in Barcelona before then so I was hoping to have the basics done by then. I've always wanted to learn another language, but we are not pushed enough in the US.
Tam Coc was a place where the river ran through different limestone mountains. The view was amazing. However, the two hundred other boats on the river really destroyed the atmosphere.
The next day we had to take the bus in order to get back to the airport in Calama. When we arrived at the airport was empty and no counter was open yet. We had to wait for 4 hours.