The Mill Colonnade is a large colonnade containing several hot springs in the spa town of Karlovy Vary, Czech Republic. The structure is one of the traditional symbols of the town.
Wikipedia https://en.wikipedia.org/wiki/Mill_Colonnade
Address 1 Mlýnské nábřeží, Karlovy Vary 36001, Czech Republic
Coordinates 50°13'30.913" N 12°52'54.579" E