Yates Mill Open House Tours is a community event where visitors can explore the historic mill building on Lake Wheeler Road. What to Know: The tours are free to attend and take place on Saturday afternoon from 1:00 pm to 4:00 pm. You do not need to pay admission to explore the historic site during these hours. This is a straightforward, educational option for a Saturday afternoon outing. It offers a simple way to get outside, learn about local history, and see a piece of Raleigh heritage up close.