Related Clues

• It blows off steam
• It regularly blows its top
• Big shooter
• Geological wonder
• Big spout
• Yellowstone Park attraction
• Yellowstone's Giantess, for one
• Spewing hot spring
• Yellowstone attraction
• Natural steam source
• Yellowstone sight
• Old Faithful, e.g.
• Hot spot
• Word from the Icelandic for "gush"
• Old Faithful, for example
• Old Faithful, for one
• Geothermal spout
• Old Faithful, famously
• Yellowstone's Steamboat, for one
• Jet creator