King's Palace in Bangkok, Thailand. Until Rama VI decided one wife was enough for any man, even a king, Thai kings housed their huge harems in the inner palace area (not open to the public), which was guarded by combat-trained female sentries... Read more: http://www.lonelyplanet.com/thailand/bangkok/sights/castles-palaces-mansions/grand-palace#ixzz3O9Fi4Y6z