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Former buildings of the Perthes publishing house of maps and atlases. Now houses the Thuringian state archives and a research library.
Schloss Friedenstein
Early-Baroque palace of the Dukes of Saxe-Gotha, built in 1643–1654 as one of Germany's biggest 17th-century stately homes. The complex includes the Schlossmuseum (museum), museum of regional history, huge numismatic collection, the Ekhof-Theater (ducal court theatre), a research centre as well as the palace chapel and ducal tombs. The casemates of the palace's fortress are accessible, too.
Herzogliches Museum
The Dukes' arts collection, including Egyptian and Graeco-Roman antiques, Renaissance paintings, East Asian arts and sculptures of different eras.
Schlosspark
The 91-acre park is one of the biggest in Germany and a very beautiful, too. It was one of the first English-style landscape gardens in Germany and all of continental Europe. There is a number of very old trees, including some 500-year-old oaks.
Neogothic 18th-century maison de plaisance, imitating the look of a chapel.
Schloss Friedrichsthal
Baroque three-wing summer residence from the 1700s, modelled on Versailles.