- Hydrothermal Systems
- Yellowstone Volcano Observatory
- Hydrothermal Features
- Hydrothermal Features Videos: Watch videos that tell the story of microorganisms that thrive in hot water.
- Old Faithful Virtual Visitor Center: Explore exhibits, watch movies, learn about the park's hydrothermal treasures.
- Old Faithful Geyser Webcam: Watch streaming video of Old Faithful and other geysers.
- More Hydrothermal Feature Media: Minute Out In It, Video Library, Sound Library
Video Library - Mudpots
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Location: Lower Geyser Basin
Last updated: August 21, 2017