Travelling isn't for everybody. Personally I'm a homebody and I felt pressured to travel when I was younger because all the cool kids were doing it. I never enjoyed it, regret it, and would trade the experience for the money back in a heartbeat.
If you really want to get away from it all, then by all means do so and have a blast. Just do it because you want to, not because the internet tells you to.
As for what I would do, well I was in a similar situation to you when I was about two years older than you are now. I worked at a successful startup and rose through the ranks fairly rapidly, but settled at principal developer level for a number of years and never tried to make the jump into a truly senior role. If I was doing it again, I would either stay aggressive in trying to get ahead, or quit and build my own product. Sounds like you've already done the latter though.