The rating of adventures is divided in the following categories. So in order to make it to the list of the adventures, the activity needs to relate to those categories
Story telling
It has a good, compelling story to tell which make people inspired
Surroundings
An environment that has something special. A sunrise/sunset, a full moon, a nature landscape, a beautiful mountain, a special dessert, etc.
Social
The great feeling of the experience was shared with someone else. E.g.: a pair/group adventure, you found people along the way, you gave an experience made for other people, someone made you feel a great experience, etc.
Learning
The adventure made you learn something. It pushed your limits, brought you to a new place, the conditions challenged your skills,
Media
It include pictures and/or movies of the adventure focusing on the 4 above points