A visit to the California’s Old Faithful Geyser is the perfect complement to your Napa Valley getaway. This landmark is a unique wonder, as geysers can only exist where conditions are just right; there must be a natural subterranean supply of water, a heat source, and an underground network of fissures and fractures that guide the water straight to the . . . More on this article
The Old Faithful Geyser of California
- is one of three geysers in the world with the designation "old faithful." These are the geysers that perform at regular intervals. A geyser exists only where conditions are right. These conditions include a natural deep subterranean . . .