Imagine standing at the edge of a canyon, the morning sun igniting the ochre cliffs in a blaze of gold, the silence so deep you can hear your own heartbeat. Navajo National Monument’s Sandstone Sanctuary — Towering Navajo Sandstone alcoves glow in the warm light of day, sheltering vibrant plant life below. These monumental formations have protected sacred ancestral sites like Keet Seel for over seven centuries. Photo by Zack Frank / Adobe Stock Now picture yourself descending into that wild...