Under California's Sierra Nevada Mountains, dense rock at the bottom ... and seismic wave recording can be used to map the disappearing lithosphere. That's how scientists know what's gone and ...

Though Granada's storied history should be appreciated as much as possible, the nearby Sierra Nevada Mountains are also worth exploring. The Sierra Nevada Mountains are part of Sierra Nevada ...

These five places in California's wilderness are jaw-droppingly beautiful but stealthily treacherous, taking the lives of explorers and rescuers alike.