Step into the dark, dangerous, and extraordinary world beneath our tracks! Steel and Stone brings to life the epic story of North America’s railroad tunnels—the permanent monuments of engineering that conquered impossible mountains, fueled the Industrial Revolution, and forged a modern continent. From the primitive black-powder blasts of Pennsylvania’s 1834 Staple Bend Tunnel to the subterranean electric marvels of New York’s Grand Central Madison, this book uncovers the high-stakes history behind the country's most vital rail passages. Discover the hazardous labor of early immigrant miners, the breakthrough inventions of pneumatic drills and heavy tunnel boring machines, and the iconic locomotives engineered specifically to brave the darkness. Richly detailed with maps, historical context, structural specifications, rare photos, and fascinating operational trivia, Steel and Stone is an indispensable guide for railroad enthusiasts, history buffs, and civil engineering fans alike. The book features an extensive bibliography and a detailed index.