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.
A 39 m steel cross raised in the 1920s on the edge of the Caraiman escarpment, at 2,291 m, in memory of the heroes of the First World War; it can be seen from all over Bușteni.
A roughly 15 m waterfall on the eastern slopes of the Bucegi Mountains, an hour's easy forest walk from Bușteni; the most visited waterfall in the massif and a classic outing on the Prahova Valley.