Photo: via Wikimedia Commons, CC BY-SA 3.0
One of the most beautiful and extensive botanic gardens in Europe, with more than 10,000 plants and five greenhouses. Particularly noteworthy is the cactus collection. Special exhibits and presentations are hosted throughout the year.
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Mariendom
The construction of the neo-Gothic cathedral was already initiated in 1855 by F.J. Rudiger, then Bishop of Linz, and the foundation stone was laid in 1862. The building was designed by the Cologne cathedral builder Vinzenz Statz. The cathedral was consecrated in 1924. The height of the tower was limited to 134 m (as it was not permitted to surpass St Stephen's Cathedral in Vienna). The cathedral can accommodate 20,000 worshippers and is also notable for its stained glass windows, including the famous Linz Window with scenes from the history of Linz (left front). At Christmas the crypt church contains one of the largest nativity scenes, measuring 12 m in length.
Bischofshof
The bishop's residence is the most important secular Baroque building in the city. Commissioned by Kremsmünster Monastery (1721–26), it was built by Michael Pruckmayr according to plans by Jakob Prandtauer, who was also responsible for the monasteries in Melk and St. Florian. The impressive lattice gate on the staircase is by Valentin Hoffmann (1727).
Martinskirche
This is regarded as the oldest original church still in existence in Austria. It was first documented in 799. A rectangular building that is no longer visible, partially extending into the nave, probably dates from the Agilofingian period (before 788). During the Carolingian period (after 788), the central structure was erected using debris from Roman buildings. This can be seen on the inside and outside, while the ground plan is marked by stone slabs. The building was redesigned as a bay church in the 11th century and the pillar arches were filled in. There are Romanesque and Gothic door and window arches dating from later alterations. Inside the building, Roman stone inscriptions and a furnace can be seen. The first bay contains a copy of the Volto-Santo picture by Lucca (around 1440). The interior of the church can be viewed through a glass door. Entrance into the church is only permitted with a tourist guide.
Linzer Schloß / Schlossmuseum Linz
The Linz Castle is first documented in 799. It was entirely rebuilt in 1477 by Emperor Friedrich III, and there are partial remains of the defensive walls, the bastions and the west entrance (Friedrichstor). The latter is adorned by a stone coat-of-arms (1481) bearing the inscription "AEIOU" ("The whole world is subject to Austria") and the imperial initials. Around 1600, during the rule of Rudolph II, the castle was redesigned and expanded according to plans by the Dutch master builder Anton Muys. The powerful four-story block with two inner courtyards and the main gate to the city (Rudolfstor 1604) date from this time. During the Napoleonic wars the building served as a military hospital, and it was here that the great city fire of 1800 broke out (destruction of the south wing and a part of the transept). Beginning in 1811, the remaining buildings were used as the provincial prison and from 1851 until 1945 as a barracks.
Between 1953 and 1963, the fortress was rebuilt and restored as the Schlossmuseum Linz. It contains permanent exhibitions of art from the Middle Ages to the present day, historical weapons and musical instruments, coins, folklore and technical history, as well as the Kastner collection. There are special exhibitions each year.
Offenes Kulturhaus Oberösterreich
Hosts contemporary art exhibits and festivals, with a focus on installation and multimedia art.