In Hudson, Iowa, the Hansen family get most of their business from agritourism. The tour doesn't just consist of oohing and aahing at machinery—there is a hands-on component where guest get to make their own butter and learn about the dairy farming business.

The Hansens hosted an open house to show off the concrete structures on June 30. About 350 visitors got an up-close look at the domes and toured the farm and milk processing facilities.

Despite road construction in the area, people easily found the farm located at 8617 Lincoln Road. Since agritourism is a big part of the family's business, Jeanne said being unique is important.

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Photo by Nicholas_T