Leaky Aqueducts, Battle Pigeons, and Mystery Cults

Could a Roman bridge carry a modern freight train? How much would it cost to build the Colosseum today? What if the Romans had grown potatoes?In a series of fast-paced essays, Leaky Aqueducts, Battle Pigeons, and Mystery Cults answers questions that historian Garrett Ryan has been asked in the classroom and through his popular YouTube channel Toldinstone. Discover the answers to: Were there pigeon...