I read her biography a while ago, and her narratives of her trips. Have you read about the trip she took in Colorado? Estes Park. Some amazing stuff in that story. She was an indomitable old Bird! I like her story, so impressive, and others of a similar nature like Freya Stark, Gertrude Bell, Marianne Kingsley and one of my favorites: Alexandra David-Neal. Thanks for starting this topic, I love reading these books. Have you read The Gobi Desert, by Mildred Cable and Francesca French? The fact that they were missionaries doesn't make the story any less interesting.
I had a fantasy, in my China traveling days, of traveling from Xian by train as far as it goes toward Pakistan, so I could see the places Cable and French saw. Then take a bus or something to Pakistan to travel on the Karakorum highway. Unfortunately pretty much for my most adult life, Pakistan has been a little too dangerous, and then the time passed and I never got my trip.