By popular, we mean that a few hundred people do it annually, and the number is continuing to grow every year that goes by.
Lysebotn
Base jumping is statistically the most dangerous hobby that anyone can pick up. However, if you only want to do it once and then forget it’s an activity altogether, head to Lysebotn, Norway. This is one of the only two places on Earth where base jumping is legal, and you can take a quick intro class before you hop off a mountain for the first time.