Colorado

Has the only Amphitheater that actually took 300 million years to create.

4,948 topics in this forum

    • 121 replies
    • 20,675 views
    • 6 replies
    • 1,562 views
    • 5 replies
    • 1,724 views
    • 7 replies
    • 2,512 views
    • 3 replies
    • 2,907 views
    • 3 replies
    • 801 views
    • 20 replies
    • 2,032 views
    • 3 replies
    • 811 views
    • 3 replies
    • 1,711 views
    • 1 reply
    • 1,393 views
    • 31 replies
    • 4,093 views
    • 1 reply
    • 894 views
    • 8 replies
    • 1,431 views
    • 14 replies
    • 2,144 views
    • 4 replies
    • 1,917 views
    • 32 replies
    • 2,724 views
    • 2 replies
    • 2,524 views
    • 3 replies
    • 1,089 views
    • 8 replies
    • 1,651 views
    • 3 replies
    • 2,053 views
    • 3 replies
    • 1,284 views
    • 5 replies
    • 903 views
    • 17 replies
    • 2,666 views
    • 11 replies
    • 3,285 views
    • 1 reply
    • 1,330 views