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Yellowstone National ParkA Grizzly Bear sow keeps careful watch over her two cubs.
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Yellowstone National Park
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Ranger Adventure Hikes
Take a hike in Yellowstone's wilderness with a NPS ranger
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A ranger looks at a hillside through binoculars.
Respect for Wildlife
Video on watching wildlife safely and respectfully
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Summer Crowd at Old Faithful.  

Did You Know?
At peak summer levels, 3,500 employees work for Yellowstone National Park concessioners and about 800 work for the park.

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Last Updated: January 29, 2009 at 11:50 EST