Translation of heretical in German

Your ask why i am learning English ? I made a trip two years ago, a vacation in a foreign country and I could not speak with other people. That was very bad for me. When I came back home I began to study English.
Our bus was completely full and we were the only Europeans on our tour. There were also Americans and people from South Korea. The driver took us to a place called Tam Coc. He drove like an idiot.
We had decided to fly to Lima (instead of Buenos Aires, Argentina) and to visit Machu Picchu just a few weeks before leaving Europe.