Viasat History HD

American presenter Don Wildman plunges into the mysterious and mysterious world of underground cities and systems. In his show, he explores the amazing architectural structures and engineering structures hiding under the surface of the Earth, and reveals unknown pages of history associated with these underground worlds. Each episode of the show focuses on a specific underground city or system, such as the ancient catacombs, modern underground metropolises, or forgotten cities that have existed underground for centuries. Here you can learn about the history, architecture and function of these underground cities, from their creation to the present.