Being at the Burning Man when the sun is about to undergo a complete reversal of its magnetic field. The sun's north magnetic pole will become its south pole, and vice versa, in an event that will reverberate throughout the entire solar system.
The sun is currently going through what is known as solar maximum, when extra magnetic activity translates into greater chances to bombard the Earth with radiation and solar material.
These events can trigger auroras and disrupt satellite operations and even make Burners go wilder at the Playa, as you can see: