Crystal Geyser water is number 10 in the top best bottled waters in the US.
because it has no sugar
A hot spring that naturally shoots steam and boiling water is called a geyser.
Castle Geyser is a specific geyser located in Yellowstone National Park. It is a type of cone geyser, named for the cone structure that surrounds the vent where the water erupts.
A Conical Geyser (or cone)
There are more than 10,000 geothermal features in Yellowstone. Perhaps the best-known is a geyser named Old Faithful. Old Faithful is not the largest, the highest, the most voluminous, nor the most regular geyser.
Geothermal.
Shaking it would be your best guess.
Castle Geyser
Steamboat Geyser is a fountain geyser, known for its powerful and tall eruptions that can reach over 300 feet in height. It is the world's tallest currently active geyser, located in the Norris Geyser Basin of Yellowstone National Park.
Sapareva banya, Bulgaria
Whirligig Geyser