Grand Canyon Caverns & Inn

Grand Canyon Caverns lie beneath the high desert along historic Route 66 in northwestern Arizona. Formed over millions of years, the caverns are notable for being exceptionally dry, allowing organic material and artefacts to remain preserved in conditions rarely found in subterranean environments.

The underground chambers are vast and quiet, with large open spaces rather than narrow passages. Guided tours descend deep below the surface, passing through fossil-bearing limestone and broad caverns where silence and scale dominate the experience. The absence of dripping water, common in many cave systems, gives the space a static, almost sealed-off feeling.

Above ground, the Grand Canyon Caverns Inn adds another layer to the site. The isolated motel complex sits far from major settlements, reinforcing the sense of remoteness.

For around $1,000 per night, you can book the open-air room in the cavern that have all the amenities of a real hotel room. Ozzy Osbourne and his son Jack, spent the night in this room for their show Ozzy & Jack's World Detour.