adventure

exciting or unusual experience

An adventure is an exciting experience that is typically a bold, sometimes risky, undertaking. Adventures may be activities with some potential for physical danger such as traveling, exploring, skydiving, mountain climbing, scuba diving, river rafting or participating in extreme sports. Adventures are often undertaken to create psychological arousal or in order to achieve a greater goal such as the pursuit of knowledge that can only be obtained in a risky manner.
Read more or edit on Wikipedia