Of the numerous churches in the city the most interesting are the Stiftskirche, with two towers, a fine specimen of 15th-century Gothic; the Leonhardskirche, also a Gothic building of the 15th century; the Hospitalkirche, restored in 1841, the cloisters of which contain the tomb of Johann Reuchlin; the fine modern Gothic church of St John; the new Roman Catholic church of St Nicholas; the Friedenskirche; and the English church.
The collegiate church (Stiftskirche) dates from about 1340, and contains a number of fine ducal monuments.
The most conspicuous building is the old ducal castle of Hohentubingen, built in1507-1535on a hill overlooking the town, and now containing the university library of 460,000 volumes, the observatory, the chemical laboratory, &c. Among the other chief buildings are the quaint old Stiftskirche (1469-1483), a Gothic building containing the tombs of the rulers of Wurttemberg, the new aula and numerous institutes of the university, all of which are modern, and the town-hall dating from 1435 and restored in 1872.
Its chief buildings are the Johannisburg, built (1605-1614) by Archbishop Schweikard of Cronberg, which contains a library with a number of incunabula, a collection of engravings and paintings; .the Stiftskirche, or cathedral, founded in 980 by Otto of Bavaria, but dating in the main from the early 12th and the 13th centuries, in which are preserved various monuments by the Vischers, and a sarcophagus, with the relics of St Margaret (1540); the Capuchin hospital; a theatre, which was formerly the house of the Teutonic order; and several mansions of the German nobility.
Among other churches are the Stiftskirche (monasterial church), rebuilt 1879-1884; the Jesuitenkirche (1693); the Minoritenkirche (1278-1318), the Herz Jesu-kirche (1862) and the Marienkirche (1892).
It has two Protestant churches of which the convent church (Stiftskirche) contains the tombs of famous abbesses, a palace (now used as law courts) and the famous abbey (now occupied by provincial government offices).