In its heyday, dynamite was a transformative tool; it could blast rock quarries, excavate tunnels, and demolish buildings with power and reliability never before seen. But it also proved to be useful in some surprising ways. In this special episode of Sidedoor, we team up with the history podcast Backstory to explore two less-typical applications of the explosive: the artistic blasting at Mount Rushmore, and how anarchists used dynamite to advance their political agenda in 1886.