Deep underground, below the bustling streets of cities big and small all around the world, subway trains shuttle passengers to their destinations. From the worl

Creepy catacombs, ancient aqueducts, unbelievable underwater roadways...get readers ready to explore some of the oldest, longest, deepest, and spookiest tunnels

When it first opened on October 27, 1904, the New York City subway ran twenty-two miles from City Hall to 145th Street and Lenox Avenue—the longest stretch ev

"New York wouldn't be New York without the subway. This one-time engineering marvel that united and expanded the city has been a cultural touchstone for the las