The botanical garden of Babeș-Bolyai University, on almost 14 hectares in the south of Cluj: a Japanese garden with a tea house on a lake, greenhouses more than 60 years old, a water tower and a botanical museum.
A cave crossed by a mountain stream north of Petroșani, with a 20 m-wide portal and a gallery of about 466 m walked end to end on footbridges, beneath the Dacian fortress of Bănița.
A private Italian-style garden at Banpotoc, near Deva: travertine paths, geometrically clipped hedges, fountains and vases brought from Italy, over almost 3.5 hectares, open to the public since 2018.
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.