Located within the museum's basement level lie the remains of a Moorish bath house built around the 14th century during the rule of Marinid dynasty. These private baths are known to have been within the Palace of the Governor of Gibraltar. The building was used as stables while the building was under control of the British military with a floor of one of the rooms was raised so high that horse-drawn coaches could be moved into the remaining space in the room. The site is now smaller than it was originally as the building suffered extensive damage during the Great Siege of Gibraltar. It is one of the best-preserved Moorish bath houses in Europe. In 1906, Mr. Budgett Meakin, an authority on Moorish antiquities, wrote of these baths: