Sulphur Works Attraction, Central, Coastal + Military pictures

• California
• USA
• North America
• World

The remnants of an ancient volcano release sulfuric steam into the air in this eerie world of fumaroles and bubbling mud pots, where a mine and spa once stood.

The remnants of an ancient volcano release sulfuric steam into the air in this eerie world of fumaroles and bubbling mud pots, where a mine and spa once stood.