Is this sentence correct?

"I haven't gone away on travling much a trip many times but when I do, I try to experience rare and new things, that I can't normally do in my everyday life. And it gets me feeling  refreshed, and my mind gets clear."

If there is anything sounding awkward, could you please correct it?

Is this sentence correct?

"I haven't gone away on a trip many times but when I do, I try to experience rare things that I can't normally do in my everyday life. And it gets me refreshed, and my mind gets clear."

If there is anything sounding awkward, could you please correct it?

Is this sentence correct?
"I haven't travelled many times but when I do, I try to experience unusual things that I can't normally do in my everyday life. And it gets me refreshed, and my mind gets clear."

If there is anything sounding awkward, could you please correct it?

It does sound a little strange because of "haven't travelled... but when I do".
I wouldn't say it that way.I think I would prefer" I don't travel very often,but when I do..' because then you are using the same tense and not changing from Present perfect to Present simple.