King Carol I's summer residence, built between 1873 and 1914 at the foot of the Bucegi Mountains in Sinaia, with carved wooden interiors, armouries and stained glass.
The Neo-Romanian summer residence of the 'Nabob' Gheorghe Grigore Cantacuzino, with a ballroom lined with coats of arms, a terrace facing the Bucegi Mountains and the Nevermore Academy exterior from Wednesday.
The temple-castle built by Bogdan Petriceicu Hasdeu in memory of his daughter Iulia, to plans he claimed she gave him in spiritualist séances; today a memorial museum.
Queen Marie's Art Nouveau castle, built between 1899 and 1902 next to Peleș, with the Gold Room, the Gold Bedroom and interiors designed by the queen herself; her heart is kept here.