Colorado

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

3,887 topics in this forum

    • 0 replies
    • 1,312 views
    • 0 replies
    • 1,699 views
    • 145 replies
    • 3,141 views
    • 135 replies
    • 3,024 views
    • 125 replies
    • 28,741 views
    • 121 replies
    • 19,387 views
    • 107 replies
    • 5,091 views
    • 99 replies
    • 3,160 views
    • 92 replies
    • 17,957 views
    • 90 replies
    • 8,182 views
    • 90 replies
    • 2,914 views
    • 84 replies
    • 4,022 views
    • 83 replies
    • 11,026 views
    • 81 replies
    • 5,445 views
    • 79 replies
    • 9,346 views
    • 79 replies
    • 3,746 views
    • 79 replies
    • 3,581 views
    • 77 replies
    • 18,507 views
    • 74 replies
    • 13,797 views
    • 74 replies
    • 11,547 views
    • 72 replies
    • 8,089 views
    • 72 replies
    • 5,881 views
    • 71 replies
    • 7,189 views
    • 71 replies
    • 8,838 views
    • 69 replies
    • 14,116 views