Tour Stops: Cardiff Castle National Museum of Wales Fitzalan Place Norwegian Church Cardiff Bay Mermaid Quay Techniquest Craft In The Bay Lloyd George Avenue St Mary’s Street Principality Stadium Passengers can hop-on and hop-off at any of the 11 tour stops along the route. If you’d prefer, stay on the tour for a full loop which takes 55 minutes. Additional Information: Vouchers must be printed to be exchanged for a City Sightseeing bus ticket in location. The audio commentary is available in the following languages: English, Spanish, German, Italian, French, Polish, Welsh Buses are wheelchair accessible.