• Pinterest

Stories this photo appears in:

Hike to Anza-Borrego's Calcite Mine, where optical-grade calcite crystals were extracted during World War II

Thousands of years of cutting and polishing by water and wind erosion have produced the chaotic rock formations and slotlike ravines you'll discover in Anza-Borrego's Calcite Mine area. During World War II, this was an ...


Sign in to comment

Win a pair of VIP tickets to
Reader Tacotopia!

Join our newsletter list

Each newsletter subscription
means another chance to win!