You must subscribe to unlock this video.

The Last Paradises-America's National Parks

video thumbnail

In this segment, we learn about the role weather plays in the creation of rock formations in the national parks of the United States.

If you’d like to watch this and more videos, join our free trial.

Free sample videos

  • video thumbnail

    Jessica - Brooklyn Sites

    Difficulty: difficulty - 2

  • video thumbnail

    Movie Trailers - Bad Teacher

    Difficulty: difficulty - 4

  • video thumbnail

    In London with Lauren - Piccadilly Circus

    Difficulty: difficulty - 2

  • video thumbnail

    Chicago Bulls - Kid Picasso

    Difficulty: difficulty - 2