Hello,

To host a TV shows you mentioned one should have qualification in any one or two of Production/ Direction/ TV Journalism/ Mass Communication/ TV Anchoring and/ or experience as an on-air personality/ host with knowledge about the category that they will be hosting – food, entertainment, nightlife, sightseeing, etc. and should be dynamic, outgoing, vivacious, and fun (with a good sense of humor!). 
Must exude an excitement and enthusiasm for the places that you are “discovering and sharing” with TV viewers.
The job of a TV anchor is to strike an instant rapport with their audiences
Yon can thus pursue a course in Journalism and Anchoring.:
-BJMC
-Diploma in News/Programme Anchoring
-Certificate course in TV Anchoring
The audition usually involves uploading a video of yourself talking about your interests, experiences, and hobbies. You might also become a Travel Channel host by succeeding in a related field and building a reputation through online videos

hope this helps you 

all the best !