Add Yahoo as a preferred source to see more of our stories on Google. The world's deepest, darkest and quietest hotel room is gone for good. Staff at Grand Canyon Caverns, the roadside attraction in ...

Work is set to begin next month on removing a major bottleneck on the road to Rim Country in northern Arizona. The $76.2 million project will take about two and a half years, factoring in annual ...

Beat the summer heat by going underground. Arizona is home to famous caves, like Kartchner Caverns. Here are 5 of the best caves and caverns to visit.

Grand Canyon Caverns has reopened after being closed for nearly three years for repairs. Grand Canyon Caverns is in Peach Springs in northwestern Arizona. Two tours of the cavern are offered: 25 ...