Hope you are doing Good.!
The trip that usually has adventure and gives you the best experience.
For example i had been to a solo trip to Manali which is a Cold hill station with lot of adventure around me, i got a chance to meet so many new people from different places and we shared thoughts about our culture and life style, i met some one from Ireland who explained me about their famous cuisine and i shared few Indian cuisines we had a wonderful time and also got to know about different cultures and came to a conclusion that there is always unity in diversity :)
We even planned for our next trip i headed back home with memories and new friends with similar passion.
Hope this helps :)