Set in a 738 acre Denver Mountain Park, Red Rocks Amphitheatre is no ordinary stage — it’s also a geological wonder. Discover ...

The area of Serranía de la Lindosa, a 12-mile-long sandstone outcrop in Colombia, contains thousands of rock art motifs that record the history and beliefs of the Amazon's Indigenous peoples.

Named after the region’s iconic red hued sandstone, the outcrop of Jabal Ahmar in Hegra is home to around 18 tombs, including the tomb where the remains of “Hinat” were discovered.

From Bono and Bonnie Raitt to The Beach Boys and The Beatles, world-class performances are part and parcel of the small sandstone outcrop on the edge of Colorado's Rocky Mountain foothills.