GEYSER

Geological wonder

• Big shooter

• Big spout

• Eruption source

• Geothermal spout

• Hot spot

• Hot spring

• It blows off steam

• It regularly blows its top

• Jet creator

• Jet spewer

• Jet spouter

• Natural fountain

• Natural gusher

• Natural steam source

• Natural water jet

• Old Faithful, e.g.

• Old Faithful, famously

• Old Faithful, for example

• Old Faithful, for one

• Park spouter

• Spewing hot spring

• Spouting spring

• Steam show

• Steam venter

• Word from the Icelandic for gush

• Yellowstone attraction

• Yellowstone feature

• Yellowstone Park attraction

• Yellowstone Park sight

• Yellowstone sight

• Yellowstone spewer

• Yellowstone spouter

• Yellowstone's Giantess, for one

• Yellowstone's Steamboat, for one

• A spring that discharges hot water and steam