I built this application to scratch some personal itches I had while journaling my travels and trying to share them with friends & family. Anyone may sign up, but I approve each account by hand — so expect a short wait before you can start. Don't upload any images you are not comfortable with me seeing, since I may need to when trouble-shooting.
The source code is available, so you can host it yourself. What you are looking at here is my personal instance, which I run for friends & family. If you are looking for a more robust & well-supported solution, I recommend TravelMap or PolarSteps, which share a lot with what I'm trying to do here, and probably do it better.