As historical venues across the Black Country prepare to open their doors for Heritage Open Day, we go behind the scenes at some of Wolverhampton's hidden treasures.
In the first video of the week-long series, Nicky Butler visits the Barnhurst Sewage Works to see how the waste from over 1,300 homes across the city is treated.
Built in 1889, the site will be opening its doors for guided tours to discover the history of the works and see how it has developed into a modern day plant that treats 1,740 litres of water every second.
Tomorrow we visit Wolverhampton Archives which once belonged to the Molineux family, while on Wednesday, we go behind the scenes at the Light House, the former Chubb factory, which is Wolverhampton’s only independent cinema.
On Thursday we speak to the Mayor of Wolverhampton, Cllr Milkinder Jaspal, at his parlour and on Friday we take a look at The Grand Theatre, which has hosted many big names since it was built in 1894 by Architect Charles J. Phipps.