There are so many online niche that any one who wishes to become a webmaster can take advantage of and explore the internet industry to make money online depending on the objectives behind setting up the online website business in the first instance.
Having said that, it's very obvious that traveling related blog niche is something that I believe would thrive well in our modern world because people are always in the business of traveling from one place to another either for business purposes or personal purposes (Tourism).
So, it's definitely going to be very good running a traveling blog that would help most people who are into visiting blogs every now and then to get information on how to get the best out whatever they are doing, which in turn brings money to your account.