Top 20A salt mine worked from the Middle Ages until 1932 and turned into a spectacular underground park: a Ferris wheel, a lake with rowing boats, an amphitheatre and salt walls 120 m below ground, near Cluj.
Top 100The Unirea mine, dug between 1938 and 1970, is a string of 14 salt halls over 50 m high, 208 m underground, which you reach by minibus; 100 km from Bucharest.
Top 100A working salt mine near Râmnicu Vâlcea that you enter by bus through a tunnel: huge galleries with swirling salt walls, sports courts, an ice rink and the country's largest underground church.
A lido with two salt lakes formed where old salt mines caved in, 24 km from Cluj-Napoca, plus an indoor pool of warm salt water that stays open all year.
A salt mine opened by the Austrians in 1791 with miners brought from Galicia: 192 fir steps lead down to a chapel carved in salt, a salt lake and a ballroom 42 m below ground.
A summer lido on two salt lakes formed in collapsed old salt pits, 100 m from the Durgău entrance of the Turda Salt Mine. The very salty water keeps you afloat; the mine is visited separately.
A modern spa complex in Ocna Mureș, opened in 2023, with heated salt-water and fresh-water pools, saunas and treatments. It is above ground only: the old salt mine cannot be visited.
One of Moldavia's oldest salt mines, still being worked: a bus takes you through a tunnel over 3 km long to 240 m below ground, to a salt church, a lake with a waterfall and sports courts.
A spa resort 15 km from Sibiu with salt lakes formed where old salt mines caved in: in summer you swim in water that keeps you afloat, between white banks of salt.
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