It always amazes me that Denver - with its wall of mountains to the west - became the largest city between in the intermountain West. How did the founders and city fathers pull that off? Probably the gold in the mountains. The weather is also better than Cheyenne, Wyoming, which sprang up on the Transcontinental Railroad, about 100 miles to the north.
This cache's placement should be obvious, given the title. Look around the nearby area, where people have tried to spruce up a really drab city block with some colorful and truly bizarre murals.
Tweezers recommended.