Colorado

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

5,095 topics in this forum

    • 0 replies
    • 4,307 views
    • 0 replies
    • 3,765 views
    • 1 reply
    • 35,970 views
    • 125 replies
    • 30,943 views
    • 7 replies
    • 22,213 views
    • 121 replies
    • 21,017 views
    • 83 replies
    • 20,692 views
    • 10 replies
    • 20,541 views
    • 77 replies
    • 20,139 views
    • 92 replies
    • 19,547 views
    • 44 replies
    • 18,540 views
    • 44 replies
    • 17,371 views
    • 10 replies
    • 16,512 views
    • 69 replies
    • 15,122 views
    • 32 replies
    • 14,473 views
    • 74 replies
    • 14,469 views
    • 36 replies
    • 14,161 views
    • 32 replies
    • 13,868 views
    • 42 replies
    • 13,581 views
    • 28 replies
    • 12,727 views
    • 74 replies
    • 12,518 views
    • 64 replies
    • 12,206 views
    • 40 replies
    • 12,168 views
    • 3 replies
    • 12,011 views
    • 7 replies
    • 11,844 views