Rising up from a thickly wooded peak and often enshrouded in swirling mist, Palácio Nacional da Pena (Portugal) is a wacky confection of onion domes, Moorish keyhole gates, writhing stone snakes and crenellated towers in pinks and lemons. .. Read more: http://www.lonelyplanet.com/portugal/lisbon/sintra/sights/castles-palaces-mansions/palacio-nacional-da-pena#ixzz3OoWMyEfK
Pena Castle in Sintra, Portugal... This is actually Pena National Palace in Sintra that served as a summer retreat for Portegese monarchs in 18th and 19th century. In 1995 the palace became a World Heritage site.