Courtyard of the Royal Palace, Madrid, Spain, Europe

Palace of the Dukes of Braganza, Guimaraes, UNESCO, Minho Region, Portugal

Generalife Palace, Generalife Gardens, Islamic and Mudejar architecture, Alhambra, UNESCO, Granada, Andalusia, Spain

Generalife Palace, Generalife Gardens, Islamic and Mudejar architecture, Alhambra, UNESCO, Granada, Andalusia, Spain

Casa Rosada (Pink House), Presidential Palace, iconic monument with Eva Peron connections, Plaza de Mayo, Buenos Aires, Argentina, South America

Buildings of rock palace fortress on rock summit, Sigiriya, UNESCO World Heritage Site, Central Province, Sri Lanka, Asia

Metal staircase climbing to rock palace fortress, Sigiriya, UNESCO World Heritage Site, Central Province, Sri Lanka, Asia

Ceiling of the Palau de la Musica Catalana (Palace of Catalan Music) concert hall, old city, Barcelona, Catalonia, Spain, Europe

Palazzo dell'Acqua (Apulian Aqueduct Palace), Bari, Apulia, Italy

San Telmo Palace, Seville, Andalusia, Spain

Burj Khalifa, the tallest man made structure in the world at 828 metres, viewed from the Palace Hotel, Downtown Dubai, Dubai, United Arab Emirates, Middle East

Burj Khalifa, the tallest man made structure in the world at 828 metres, viewed from the Palace Hotel, Downtown Dubai, Dubai, United Arab Emirates, Middle East

Ducal Palace, Old Town, UNESCO World Heritage Site, Urbino, Marche, Italy, Europe

Plaza de Cibeles, with sculptures and a fountain that has become an iconic symbol for the city of Madrid, Spain, Europe

The Facade of the Hawa Mahal (Palace of The Winds), Jaipur, Rajasthan, India, South Asia, Asia

Exterior view of a stupa inside the Royal Palace grounds in Phnom Penh, Cambodia, Indochina, Southeast Asia, Asia

The South Bank Lion on Westminster Bridge, cast in 1837, with Big Ben (The Elizabeth Tower) of the Palace of Westminster in the background, London, England, United Kingdom, Europe

View along The Mall towards Victoria Memorial and Buckingham Palace, London, England, United Kingdom, Europe

The Band of the Irish Guards leaving St. James's Palace for Changing the Guard ceremony (Guard Mounting), Westminster, London, England, United Kingdom, Europe

Real Alcazar, UNESCO World Heritage Site, Seville, Andalusia, Spain, Europe

Schlossbrucke and Berliner Schloss Palace, Berlin, Germany, Europe

Aerial of the historic city and the Palace of the Popes, Avignon, UNESCO World Heritage Site, Vaucluse, Provence-Alpes-Cote d'Azur, France, Europe

View of Christmas market at Charlottenburg Palace in Schloss Charlottenburg at dusk, Berlin, Germany

Amer Fort (Amber Fort), Rajasthan, India

Hawa Mahal (Palace of the Winds), Jaipur, Rajasthan, India

Hawa Mahal (Palace of the Winds), Jaipur, Rajasthan, India

City Palace, Jaipur, Jaipur, Rajasthan, India

Mehrangarh Fort, Jodhpur, Rajasthan, India

Mehrangarh Fort, Jodhpur, Rajasthan, India

Mehrangarh Fort, Jodhpur, Rajasthan, India

Umaid Bhawan Palace, Jodhpur, Rajasthan, India

City Palace, Udaipur, Rajasthan, India

Jag Mandir Palace on Lake Pichola, Udaipur, Rajasthan, India

City drone aerial view at sunset with iconic Palace, Mafra, Portugal, Europe

Planalto Palace (Presidential Offices), designed by Oscar Niemeyer, Three Powers Plaza, UNESCO World Heritage Site, Brasilia, Federal district, Brazil, South America

St. Mark's Basilica and the Doge's Palace, Venice, UNESCO World Heritage Site, Veneto, Italy, Europe

Basilica of Saint Nicholas and Chinese restaurant Sea Palace, Oosterdok, Amsterdam, The Netherlands, Europe

View of city skyline and Nijubashi bridge over the moat, The Imperial Palace of Tokyo, Tokyo, Honshu, Japan

Palace of Parliament, Bucharest, Romania

Hawa Mahal (Palace of the Winds), Jaipur, Rajasthan, India

Umaid Bhawan Palace, Jodhpur, Rajasthan, India

Jag Mandir Palace on Lake Pichola, Udaipur, Rajasthan, India

Neuschwanstein Castle, Southern Bavaria. This 19th-century historicist palace is built on a rugged hill of the foothills of the Alps in the very south of Germany and is a UNESCO World Heritage site.

View towards Westminster Bridge, Big Ben (The Elizabeth Tower), the Palace of Westminster and Westminster Abbey, UNESCO World Heritage Site, London, England, United Kingdom, Europe

Palace of Fine Arts, San Francisco, California, United States of America, North America

The entrance to the Palace Hotel in Dubai with Burj Khalifa in the background, Dubai, United Arab Emirates

Hawa Mahal (Palace of the Winds), Jaipur, Rajasthan, India

Colorful houses and Camerlenghi Palace seen from the other side of the Grand Canal with traditional gondola boats at sunset, Venice, UNESCO World Heritage Site, Veneto, Italy, Europe

Hawa Mahal (Palace of the Winds) at dusk, Jaipur, Rajasthan, India, South Asia, Asia

Priori Palace iconic stone tower of Arezzo at sunset, Arezzo, Tuscany, Italy, Europe

Hawa Mahal (Palace of the Winds) at dusk, Jaipur, Rajasthan, India, South Asia, Asia

Vernacular rural architecture, Bran, Transylvania

Schloss Solitude (Castle Solitude), Stuttgart, Schwaben (Swabia), Baden-Wurttemberg, Germany, Europe

City drone aerial view at sunset with iconic Palace, Mafra, Portugal, Europe

City drone aerial view at sunset with iconic Palace, Mafra, Portugal, Europe

Mafra Palace entrance with iconic towers and bells, Mafra, Portugal, Europe

Fatehpur Sikri 17th Century historic palace and city of the Mughals, UNESCO World Heritage Site at Agra, Northern India

Tourists at Maharaja Chet Singh Palace Fort at Chet Singh Ghat by The Ganges River in holy city of Varanasi, Northern India

Tourists at Fatehpur Sikri 17th Century historic palace and city of Mughals, UNESCO World Heritage Site at Agra, Northern India

Khas Mahal Palace with pietra dura jewel inlay in marble built 17th Century by Mughal Shah Jehan for his daughters at Agra Fort, India

Maharaja Chet Singh Palace Fort at Chet Singh Ghat on banks of The Ganges River in holy city of Varanasi, India

Maharaja Chet Singh Palace Fort at Chet Singh Ghat on banks of The Ganges River in holy city of Varanasi, Northern India

Golden domes of the Terim Palace at The Kremlin, Moscow, Russia

Agra Fort the Jahangir Mahal, zenana palace residence of Rajput wives of Mughal Emperor Akbar

The City Palace Complex and Shiv Niwas Palace Hotel owned by 76th Maharana of Mewar, His Highness, Shreeji Arvind Singh Mewar of Udaipur, Rajasthan, India

Gol Mahal Raj Angan annexe to The City Palace at sunset in Udaipur, Rajasthan, India

The City Palace Complex and Shiv Niwas Palace Hotel owned by 76th Maharana of Mewar, His Highness, Shreeji Arvind Singh Mewar of Udaipur, Rajasthan, India

Khas Mahal Palace with pietra dura jewel inlay in marble built 17th Century by Mughal Shah Jehan for his daughters at Agra Fort, India

Khas Mahal Palace with pietra dura jewel inlay in marble built 17th Century by Mughal Shah Jehan for his daughters at Agra Fort, India

Cloisters of Northern Palace of the Haramsala, Birbal's House, part of harem at Fatehpur Sikri historic city of Mughals, at Agra, India

Agra Fort the Jahangir Mahal, zenana palace residence of Rajput wives of Mughal Emperor Akbar

The Taj Mahal view and Yamuna River at sunset from Agra Fort, Khas Mahal Palace, India

The Shiv Niwas Palace Hotel doorway and lobby, part of HRH Hotels Group, in the City Palace Complex in Udaipur, Rajasthan, India

Maharaja Chet Singh Palace Fort at Chet Singh Ghat on banks of The Ganges River in holy city of Varanasi, Northern India

Ornate gateway and plaque of The City Palace Complex of the 76th Maharana of Mewar, Shriji Arvind Singh Mewar of Udaipur, Rajasthan, India

CCTV camera behind a Demon Giant statue in The Grand Palace Complex, Bangkok, Thailand

Demon Giant statue guards an entrance to The Grand Palace, Bangkok, Thailand

The City Palace Complex and Shiv Niwas Palace Hotel owned by 76th Maharana of Mewar, His Highness, Shreeji Arvind Singh Mewar of Udaipur, Rajasthan, India

Mythical gryphon guards The Grand Palace and Temple complex, Bangkok, Thailand

Demon Giant statue at The Grand Palace Complex, Bangkok, Thailand

Man cleans inside The Grand Palace and Temple Complex, Bangkok, Thailand

Brighton Palace Pier under clear blue skies, iconic British seaside attraction with amusement arcade, Brighton, Sussex, England, United Kingdom, Europe

Tourists at the Louvre Museum courtyard with iconic glass pyramid and historic palace, Paris, France, Europe

Moti Mahal, The Pearl Palace at Mehrangarh Fort 16th Century hall of public audience at Jodhpur in Rajasthan, Northern India

Palazzo de Nobili Tarugi, Palace of the Tarugi Nobles, in Piazza Grande in Montepulciano, Val D'Orcia, Tuscany, Italy

Tourists at Fatehpur Sikri 17th Century historic palace and city of Mughals, UNESCO World Heritage Site at Agra, Northern India

Demon Giant statues guard an entrance to The Grand Palace and Temple Complex, Bangkok, Thailand

Topiary at The Grand Palace and Temple complex, Bangkok, Thailand

Tourists at Fatehpur Sikri 17th Century historic palace and city of Mughals, UNESCO World Heritage Site at Agra, Northern India

Palazzo de Nobili Tarugi, Palace of the Tarugi Nobles, in Piazza Grande in Montepulciano, Val D'Orcia, Tuscany, Italy

Fatehpur Sikri 17th Century historic palace and city of the Mughals, UNESCO World Heritage Site at Agra, Northern India

Gilt statue inside The Grand Palace and Temple complex, Bangkok, Thailand

Scaffolding for refurbishment at The Grand Palace and Temple complex, Bangkok, Thailand

Detail of the ornate gilded woodcarving and roof tiling on the Grand Palace in Bangkok, Thailand.

The Grand Palace and Temple complex, Bangkok, Thailand

Windows of Houses of Parliament, Palace of Westminster, United Kingdom

Detail of the Grand Palace, Bangkok, Thailand

The Grand Palace and Temple complex, Bangkok, Thailand

Mythical gryphons guard The Grand Palace and Temple complex, Bangkok, Thailand

Grand Palace and Temple Complex, Bangkok, Thailand