High Quality Content by WIKIPEDIA articles! The Royal Aquarium and Winter Garden was a Westminster, London place of amusement opened in 1876. The building was demolished in 1903. It was located immediately to the west of Westminster Abbey on Tothill Street. The building was designed by Alfred Bedborough in a highly ornamental style faced with Portland stone. At the west end of the building was the Aquarium Theatre – in 1879 named the Imperial Theatre. Westminster Central Hall is now located on the site.