Hosted on MSN1mon
The Bizarre Boulders That 'Sing' Are In A Breathtaking Mountainous Montana DestinationMontana is full of natural beauty ... The geological abnormality is part of the Boulder Batholith, a 1.2 million-acre mass of igneous rock created by volcanic eruptions millions of years ago.
Some results have been hidden because they may be inaccessible to you
Show inaccessible results
Feedback