Beyond the Wright brothers and the cash register, Dayton’s rich history contains numerous astounding and overlooked people, events and places. One of the city’s founders was involved in a conspiracy ring led by none other than disgraced former vice president Aaron Burr. Seemingly innocuous warehouses in a west Dayton residential neighborhood served as laboratories for the triggering mechanism of the atomic bomb. An obscure door located on a hillside once led to National Cash Register’s secret underground tunnel system, and a curious stone wall along the Mad River served as an aqueduct abutment for the Miami-Erie Canal. Author Tony Kroeger unveils the historical features that give Dayton its character. Tony Kroeger is the planning division manager for the City of Dayton, where he has worked since 2006. He is a graduate of Miami University (bachelor's) and Clemson University (master's) in city and regional planning. He grew up in Cincinnati, Ohio, and came to Dayton from Greenville, South Carolina. He wishes to share his sense of wonder and excitement about cities with others, especially his children, Luke and Ben. He and his family live in the St. Anne’s Hill historic district in Dayton. You can find him at @tonykroeger on Twitter.