Istanbul or the city mosque

The Assalamualaikum of Istanbul, I have a wish to circumnavigate the world one of the places I really want to visit is the rich historical city of Istanbul, which is even known as the city of mosques because there are about 3,113 mosques there, but with my economy it is now possible it is very difficult for me to visit there, therefore from now on I will work hard and save so that I can achieve my goals