Sunken Gardens (King William and Queen Mary), the origin of the English nursery rhyme 'Mary Mary Quite Contrary', Hampton Court Palace, Hampton Court, London, England, UK
Medusa Head, Byzantine Basilica Cistern, Sunken or Underground Palace, Sultanahmet, Istanbul, Turkey, Europe
The Jai Mahal (Lake Palace), Jaipur, Rajasthan, India, Asia
The Jai Mahal (Lake Palace), Jaipur, Rajasthan, India
Basilica Cistern (Yerebatan Sarayi) (Sunken Palace), Istanbul, Turkey, Europe
Water reflecting columns at Basilica Cistern (Sunken Palace) subterranean water system underground, Istanbul, Turkey, Europe
Sunken gardens, Hampton Court Palace, Greater London, England, United Kingdom, Europe
The Sunken Garden, Kensington Palace, Kensington Gardens, London, England, United Kingdom, Europe
