• View of the Golden Gate Bridge, taken from the Marin Headlands, looking towards San Francisco at sunrise.

    Golden Gate

    National Recreation Area California

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  • Tunnel Closure

    The Barry/Baker tunnel on Bunker Road will be closed for maintenance during the weeks of 6/2 and 6/9. The tunnel will be open on the weekends. Please use Conzelman Road instead. More »

  • Muir Beach Overlook closure

    The Muir Beach Overlook will be closed for Accessibility improvements and trail upgrades from June 2 through July 21. Alternate viewpoints are available along Highway 1 between there and Stinson Beach.

Magic Windows

Students using Magic Windows

A teacher observes as students use Magic Windows at Point Bonita.

Using the Magic Window teaching tool facilitates a “hands-on” discussion of the essential question of our geology curricula: How do I recognize geologic change in my environment? Looking through the transparency, you can see two time periods simultaneously. The transparency helps you generate questions about how and why changes occur in the landscapes you view.

The Magic Window technique can be part of an inquiry discussion in the classroom, outdoors, or in your neighborhood. Although this teaching tool was developed for our geology curricula, Magic Windows could be used in a variety of disciplines in which time and landscape are components.

Click on the links below to learn more.

  • Download the student inquiry worksheet:
  • View a video demonstration of a Magic Window in use (coming soon).

Did You Know?

image of historic silverware from Alcatraz Island

The GGNRA museum collection, one of the larger and more diverse museum collections in the National Park Service system, contains historic documents, photographs, natural history specimens, archeological artifacts, fine and decorative art objects, furniture, vehicles, uniforms and historic firearms.