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The church is a beautiful example of baroque architecture. Today, the church serves as both a church and a German language and culture school, but is probably best known for the "Heiliger Steige." The church was erected in 1627/1628 on the orders of the archbishop to replace an older chapel. In 1746 Elector Clemens August von Bavarian donated the "Heiliger Steige", or holy staircase, which, according to legend has pieces of the cross the crucified Jesus set into the stone. Small brass crosses on the second, eleventh, and last steps mark the spots where the pieces of the cross are supposed to be set. Beautiful view over Bonn.
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It was built as a resort in rococo style for the Archbishop of Cologne Clemens August from 1715 to 1753 by Robert de Cotte and today houses the university's mineral collection, several science departments and the botanical gardens. The palace itself is not open to the public. The botanical gardens next to the palace are a peaceful and beautiful place to relax, have a look at the sunbathing turtles at the pool. The gardens cultivate about 10,000 plant species. Coming from the city centre, walk there from the University Main Building via Kaiserplatz and Poppelsdorfer Allee.
Museum of art and archeology, run by the Rhineland Landscape Association. Check their webpage for information about the temporary exhibitions besides their permanent exhibits.
The old cemetery, created in 1715, is an atmospheric cemetery with many old graves, among them the graves of Robert and Clara Schumann, Ernst Moritz Arndt, Friedrich Schiller's wife Charlotte von Schiller and their son.
The University of Bonn-administered Egyptian Museum. The collection is on display in Poststraße 26 ("P26"). The ticket is for the entire P26 building, including the Paul Clemen museum.
The Arithmeum features a collection of historical mechanical calculating machines, which today comprises more than 1200 pieces and is the largest in the world. It features the history of calculators, from ancient abacuses and ropes with knots, until the modern day PC. The design of the building and its colourful art collection are an added bonus.