Translation of oculto

My first stop was great. I went there by myself not knowing anyone. I hired a room for two nights and walked around the city. After I had moved to my second stop for another two days something strange happened.
My experience at Vocabulix has been great. I really think that this site has helped me a lot in improving my Spanish language skills. I believe that I could learn here several other languages.
Usually I do not care too much about not getting change, but when you pay a 3 dollar ride with 50 dollars, you do actually expect change. We stood there for a while and neither of us knew what to do.