Me - I know women who do this regularly. I am a woman who has done this myself, minus photography (I have a different hobby) and I have met many, many women, mothers, wives who do this as well. There are thousands of us. We have forums for this. Look up "solo female travel" and read the hundreds of blogs with thousands of followers specifically geared toward just this exact thing. Mothers, wives, single women in their 20's - 60's all doing this, all the time.
It is NOT rare. I don't know how many other ways to say this. I do it and I belong to facebook groups and blogs of other women who do as well.
I have never been to Disney with my children in my life. It costs more than an overseas trip.
I know that this case might be the first time some people have looked into the world of solo female travel, but that does not mean it's weird, or rare, or dangerous, or sketchy, or that it defies belief.
It is very normal and very, very common.