Describes the history behind twenty transportation inventions including the steamboat, stagecoach, cable car, and subway.
Content Note
Canoe or rickshaw -- Steamboat or stagecoach -- Cable car or subway -- Bicycle or skateboard -- Motorcycle or car -- Airplane or helicopter -- Train or bus -- Submarine or hovercraft -- Escalator or elevator -- Space shuttle or supersonic plane -- Which comes next? -- Scorecard -- Bonus questions -- Just the facts -- The history of transportation.