Holy Terror Days is a private business that dates back to 1899.
Holy Terror Days Inc. is a private business that sponsors the following events: Holy Terror Days, “The Haunting”, & Victorian Christmas. The organization fundraise and keep money in the community for special projects, families and individuals in need. The organization’s history dates back to 1899. The organization supports and promotes Keystone’s rich history in mining, making of Mount Rushmore, and tourism.