Translation of polarization in German

We decided to fly directly to Hanoi and booked a flight for the same day. Before we left we still had some time to visit the War Remnants Museum. One could see the former headquarters of the South.
You don't speak Russian? It's not so easy to speak this. I think, my English isn't very strong at all. But I hope to improve once I have the chance to write someone whose mother language is English...
In Colorado there are amazing mountains, belonging to the Rocky Mountains and in New Mexico you have the really gorgeous desert areas. Some other states there have also large desert areas.