Events & Courses
https://www.rei.com/events/a/outdoor-photography
http://www.photographersadventureclub.com/
https://www.meetup.com/topics/photo/?_cookie-check=FWkXeydWYnC6ZV1d
https://digital-photography-school.com/festivals-events-travel-photographers/
Contests
https://www.photocontestinsider.com/
https://www.viewbug.com/photo-contests/free
http://creativemotiondesign.com/blog/category/photography-contests/