The oldest museum in Székely Land, in a building designed by Kós Károly in 1911–1912: history, ethnography, natural sciences and a garden with Székely gates.
Bihor's county museum, housed since its move in the former Royal Cadet School of 1898: archaeology, history, art, ethnography, natural sciences and a vivarium under one roof.
The public aquarium in central Tulcea, with fish from the Danube and the Black Sea, coral reef tanks and a tunnel among sturgeon, plus an exhibition on the Delta's wildlife.
Vaslui County's museum, in a neoclassical palace that was once a prefecture: archaeology, history, art, local figures, plus an astronomical observatory and planetarium.
The best-preserved bastion of Brașov's city walls, built by the weavers' guild in the 15th and 16th centuries, with timber galleries on four levels and a model of the medieval town.