Colorado

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

4,217 topics in this forum

    • 3 replies
    • 221 views
    • 22 replies
    • 448 views
    • 7 replies
    • 423 views
    • 0 replies
    • 327 views
    • 8 replies
    • 490 views
    • 8 replies
    • 566 views
    • 34 replies
    • 976 views
    • 7 replies
    • 197 views
    • 15 replies
    • 760 views
    • 23 replies
    • 557 views
    • 33 replies
    • 1,987 views
    • 37 replies
    • 1,538 views
    • 72 replies
    • 2,075 views
    • 130 replies
    • 4,676 views
    • 2 replies
    • 377 views
    • 4 replies
    • 210 views
    • 4 replies
    • 268 views
    • 45 replies
    • 1,407 views
    • 10 replies
    • 544 views
    • 16 replies
    • 613 views
    • 1 reply
    • 235 views
    • 17 replies
    • 1,077 views
    • 1 reply
    • 184 views
    • 14 replies
    • 730 views
    • 2 replies
    • 395 views