Small round through the castle garden

Karlsruhe (, also US: , German: [ˈkaʁlsˌʁuːə] (listen); formerly spelled Carlsruhe) is the second-largest city of the German federal state of Baden-Württemberg after its capital of Stuttgart, and its 309,999 (2016) inhabitants make it the 21st largest city of Germany. On the right bank of the Rhine, the city lies near the French-German border, between the Mannheim/Ludwigshafen conurbation to the north, and the Strasbourg/Kehl conurbation to the south.

The Grand Duchy of Baden (German: Großherzogtum Baden) was a state in the southwest German Empire on the east bank of the Rhine. It existed between 1806 and 1918.It came into existence in the 12th century as the Margraviate of Baden and subsequently split into different lines, which were unified in 1771.

The Federal Constitutional Court (German: Bundesverfassungsgericht; abbreviated: BVerfG) is the supreme constitutional court for the Federal Republic of Germany, established by the constitution or Basic Law (Grundgesetz) of Germany. Since its inception with the beginning of the post-World War II republic, the court has been located in the city of Karlsruhe, which is also the seat of the Federal Court of Justice.

Karlsruhe Palace (German: Karlsruher Schloss) was erected in 1715 by Margrave Charles III William of Baden-Durlach, after a dispute with the citizens of his previous capital, Durlach. The city of Karlsruhe has since grown around it. It is now home to the main museum of the Badisches Landesmuseum Karlsruhe.

The Staatliche Kunsthalle (State Art Gallery) is an art museum in Karlsruhe, Germany.The museum, created by architect Heinrich Hübsch, opened in 1846 after nine years of work in a neoclassical building next to the Karlsruhe Castle and the Karlsruhe Botanical Garden. This historical building with its subsequent extensions now houses the part of the collection covering the 14th to the 19th century while the 20th century is displayed in the nearby building of the Botanical Gardens's former orangery.

The Karlsruhe Pyramid is a pyramid made of red sandstone, located in the centre of the market square of Karlsruhe, Germany. It was erected in the years 1823–1825 over the vault of the city's founder, Margrave Charles III William (1679–1738). The pyramid is regarded as Karlsruhe's second emblem, the city's absolutist layout in the shape of a folding fan being the first.

The Karlsruhe Schlossgarten (engl. palace garden), also called Schlosspark (engl. palace park), is a landscape park situated north of the Karlsruhe Palace in the center of Karlsruhe. It respresents an extension of the palace grounds to the north, serves the people as a local holiday spot and is regularly used for events.

The Botanischer Garten Karlsruhe is a municipal botanical garden located in Karlsruhe, Baden-Württemberg, Germany. This garden should not be confused with the nearby Botanischer Garten der Universität Karlsruhe operated by the University of Karlsruhe.The garden was established by Charles III William, Margrave of Baden-Durlach and designed by Karl Christian Gmelin.

The Karlsruhe tramway network (German: Straßenbahnnetz Karlsruhe) is a network of tramways forming part of the public transport system in Karlsruhe, a city in the federal state of Baden-Württemberg, Germany.Opened in 1877, the network has been operated since 1997 by Verkehrsbetriebe Karlsruhe GmbH (VBK), a company owned by the city of Karlsruhe.