California is the most visited state in the USA.
In 2015, California attracted 17 million visitors from all over the world (Source: industry.
visitcalifornia.
com), More practical information for both people travelling by private and public transport than any other guide, Rough Guides is the No.
3 travel guide publisher in 2016, worth 2.
6 million (Nielsen Bookscan, Period 10 2016).
