Located across from the nearby Tamber Bey Vineyards and open year-round, Old Faithful Geyser of California erupts ... another natural wonder at Calistoga's Petrified Forest. Like Calistoga's ...

Calistoga’s first hot springs resort ... and a garden. Walk among petrified redwood trees at The Petrified Forest, which dates back to the Pliocene Epoch. The trees were petrified by a volcano ...