Opal Fern Baker, Castle Rock, CO passed away peacefully, surrounded by her family April 7, 2017, four days shy of her 96th birthday. Born to Effie and Evert Nokes in Meeker, CO the oldest of three ...

Colorado scientists who were curious about why Castle Rock remains largely resistant to erosion have published a research paper that provides some answers. They have determined that opal is partially ...

Researchers at the Denver Museum of Nature and Science found that Castle Rock’s durability is due to microscopic amounts of the colorful gemstone, opal. Colorado Voices is available to stream on ...