The mounds preserved here are considered sacred by many Americans, especially the Monument's 20 culturally associated American Indian tribes. A visit offers opportunities to contemplate the meanings of the mounds and the people who built them. Th...
Silos & Smokestacks National Heritage Area preserves and tells the story of American agriculture and its global significance through partnerships and activities that celebrate the land, people, and communities of Northeast Iowa.
The visitor center is open year-round except Thanksgiving Day, Christmas Day, and New Year's Day; during extreme weather conditions; and as indicated below. Because visitor center hours may vary by season, the specific opening and closing times during either the summer or the winter season follow.
