Timpanogos, << `tihm` puh NOH guhs, >> Cave National Monument is in northern Utah. It contains limestone caverns with hundreds of stalactites, stalagmites, and helictites in varied colors. Passageways in the caverns lead back into Mount Timpanogos in the Wasatch Range. Congress authorized the monument in 1922. The monument was established in 1933. For area, see National Park System (table: National monuments) .