Gabriela Glueck, a reporter for Bay Curious, uncovers the explosive history of Glen Canyon Park, once home to the first dynamite factory in the U.S. Ryan Flynn, a local resident, shares how he sparked this investigation by finding a forgotten historical marker. Longtime resident and historian Evelyn Rose discusses the significant yet dangerous roles of Chinese laborers in the explosives industry. Together, they explore dynamite's transformative impact on San Francisco and the park's hidden legacy, blending history with modern echoes.