Catherine Austin Fitts, who worked under the first Bush administration, claimed the US has built secret underground cities.

From the map ... a secret city — a forgotten world that shaped the one we live in today. Whether it’s an abandoned train station, a wartime bunker, or a buried river, these underground places ...

London’s Tube is the oldest underground railway in the world ... Map of the Metropolitan Railway in 1865 (Image: TfL Corporate Archives) Just one year later, the Hammersmith & City Railway ...