- Listen to Old Faithful, Castle, and other Geysers in the Sound Library
- Current Activity of Selected Geysers
- Hydrothermal Features
- Old Faithful Historic District: The Old Faithful Inn, and other nearby buildings, is historically significant because of its rustic architecture and its role in the development of concessions to accommodate growing tourism in the early 1900s.
- Inside Yellowstone Videos about Hydrothermal Features: Watch videos that tell the story of microorganisms that thrive in hot water.
- Life in Extreme Heat (Other Life Forms)
- Old Faithful Geyser Webcam: Watch streaming video of Old Faithful and other geysers.