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Limestone cliffs of Williams Canyon, just west of Colorado Springs --- Ordovician to Mississippian limestone forms the canyon cliffs. The limestone was dissolved to form the Cave of the Winds tourist attraction with its entrance seen on the cliff.
Glenwood Caverns in Glenwood Springs --- The caverns were formed by dissolution of the limestone, The stalagtites were then formed by water dripping from the ceilings of the caverns.
WATER: Dissolution caves in the Mississippian Leadville limestone, Glenwood Canyon, Interstate-70 --- As acidic water dissolved the limestone, caves formed as seen here and sinkholes formed at the upper surface. In the standard interpretation, the ancient sinkhole land surface at the top of this formation formed a karst topography similar to what is seen in some places in Florida today.