The spa resort in the town of Covasna, Romania's "resort of the heart": carbon dioxide mofettes, sparkling mineral springs on every corner and the Devil's Pond, a mud volcano in the central park.
A Renaissance hunting manor of the Counts Kálnoky, begun in 1648, with bastions and rare stucco work, restored and opened in 2017 as the Museum of Transylvanian Life, with guided tours.
