Located at what’s billed as “the only drive-in volcano in the world,” Sulphur Springs is a magical, muddy geothermal spring located near the small Caribbean town of Soufriere. The town’s name means “sulphur mine,” a product of French colonists who extracted the mineral at a site near Soufriere in the early 1800s. The Sulphur Springs are located within a volcanic valley. They formed approximately 300,000 years ago when a section of crust from an enormous crater collapsed, disturbing the lava below. The change in landscape ultimately resulted in the formation…