I am unable to select any courses other than London. I was able to ride Watopia once or twice after my payment was processed but again am limited to London. Any hint as to what I am doing wrong?
Zwift provides one available course at a time. Here is the course schedule for January:
There is a change/hack you can make to your configuration that will allow you to choose a course; but you may not find many other riders on a course that is different from the current course on the calendar:
You may want to search the forum for some of the many, many posts on this topic including discussion pro/con on allowing Zwifters to choose the course.