New Mexico State Parks Division looking for zoo veterinarian Valles Caldera is a majestic national preserve that sits in the center of a 1.2 million-year-old super volcano. The long-ago eruption ...

For 25 million years, volcanos spewed molten rock and ash across New Mexico, forming craters, super volcanos, cinder cones, lava flows and peak-less mountains. Over time, these massive eruptions ...