Humans are amazing. We’ve explored nearly every inch of our beautiful planet, even the most remote, hard-to-reach places. The highest heights have been summited by brave souls in search of an adrenaline rush.
The subreddit Adrenaline Porn is full of high quality images of heart racing activities, such as parasailing, rock climbing, skydiving, etc.
I’ve compiled 18 of the most heart-pumping images – sure to give you a little boost of adrenaline!