travelling is also one of the best means for learning.
you may have read or heard about something but you can never get an accurate picture of it until you see it for yourself. seeing is believing.
furthermore, if you area careful observer, you can learn much during your travel about the geography, biology, and history of the places you visit.
no matter how well educated you are, there is always a lot for you to learn through travelling. the knowledge acquired from travel, as you will have found in your life, is no less valuable than that from any influential reference book.