Explore Arizona’s Colossal Cave Mountain Park on a guided stroll past bat roosts, outlaw lore, and fossilized flowstone in a dry cavern.

While Arizona is famous for its stunning landscapes and dramatic rock formations, some of the best things to see here are underground. Arizona has numerous famous caves — some readily open to the ...

The Pima County Board of Supervisors has approved a contract with New Mexico-based Ortega National Parks to operate Colossal Cave Mountain Park. The company, doing business in Arizona as Colossal Cave ...

A movie filmed in and around Colossal Cave Mountain Park will be shown July 29 to help raise money for park activities. "Night of the Lepus," a 1972 sci-fi film about residents of a small Arizona town ...

Like so many caves in Arizona, the Colossal Cave in Vail has a tawdry history all its own. Centuries after the Hohokam abandoned the sanctity of the cave, bandits took refuge there in 1884 after ...