Translation of madhouse in Spanish

When we landed in Ho Chi Minh city I immediately perceived that the building, houses and structures in the airport had a Russian or a communist influence: large, concrete, grey buildings all over.
Try to speak and think in English every time. I have just returned from Europe where I spent a month on holiday. My wife Susan and I went to Barcelona, Madrid and Paris, where we saw lots of beautiful things.
One hour later, at sun set, we overflew the amazing Misti volcano which is located right above Arequipa. The mountain had a golden glow and its view was breathtaking.