Hidden in plain sight is a unique way to experience Liverpool; from the underground! For just £10 per person, Mersey Travel offer a unique tour of the Queensway Tunnel which runs under the River Mersey and connects Liverpool and Birkenhead together. Lasting approximately 2 hours and limited to 20 people at a time, the tour takes in the original control room, giant ventilation fans, the rescue areas underneath the roadway, a section of the Old George Dock, and even out onto a gangway of the tunnel whilst cars are driving through.