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Photo: The original uploader was Harri Beau at German Wikipedia., CC BY-SA 3.0 de via Wikimedia Commons
A big nature park between Bonn (quarters Venusberg, Bad Godesberg) up to the cities of Euskirchen and Wachtberg. It is appr. 4 000 ha and popular for walking tours. The nearest ones starts at Waldesruh on Venusberg (which has also a nice cafe). Another route starts at Bahnhof Kottenforst (a pretty frame house) which you can reach by taking a train to Euskirchen, but the train only stops there on weekends).
The Kottenforst is a large forest, about 40 km2 in area, to the south, west and north of the city of Bonn in Germany. It is part of the Rhineland Nature Park (1,045 km2) and forms its eastern side.
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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.
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.
It hosts changing exhibitions which range from visual art and cultural history up to science and technology. Most of them are world class and definitely worth a visit.
Modern art museum with a large and interesting collection as well as a good cafe.