A moving train fills the frame of a shaky video. A ladder looms, and hands grip the rungs. A blur of movement, and you're inside an open train car piled with coal, trees whipping by on either side.

Civil War-era hobos hopped trains to find work. Content creators hop trains with their GoPros. Hitching rides on the railroad is an American... A moving train fills the frame of a shaky video. A ...