Bellevue Palace, Kassel

The Neue Galerie (New Gallery) is an art museum in Kassel in the state of Hesse, in Germany. The building was constructed between 1871 and 1877 as a museum for works of the Old Masters. The building was damaged and burned out on 22 October 1943 in a devastating air raid carried out on the orders of Winston Churchill. The 60 most important works were brought to Vienna, and were returned in 1956. The building and large parts of the collection were lost. The museum was reopened with its present name in 1976, and a large renovation was completed in 2011.

The Karlskirche in Kassel (also Oberneustädter Kirche) is a Protestant church built by Paul du Ry in 1710 for the local Huguenot community.The church was the location of a hundred-day sound installation by John Cage in 1987.

The Hessian State Museum (German: Hessisches Landesmuseum) is a local history museum located in Kassel, Germany. The collection ranges from the Paleolithic Age to the present. The museum is also home to the German Wallpaper Museum.It is part of the Museumslandschaft Hessen Kassel.

The Vertical Earth Kilometer is a permanent art installation created by Walter De Maria in Friedrichsplatz Park in front of the Fridericianum in Kassel, Germany. The Vertical Earth Kilometer is a solid brass rod, one kilometer (3,280.84 ft.) in length and 2 inches (5.1 cm) in diameter. It is inserted into the earth so that its top is flush to the ground and embedded in a two-by-two-meter red sandstone square. Installed in 1977 during documenta 6, it has been on permanent view ever since. The Vertical Earth Kilometer is maintained by the Dia Art Foundation as one of the twelve locations and sites they manage. De Maria's 1979 artwork The Broken Kilometer in New York City is a companion piece to The Vertical Earth Kilometer.

7000 Oaks – City Forestation Instead of City Administration (German: 7000 Eichen – Stadtverwaldung statt Stadtverwaltung) is a work of land art by the German artist Joseph Beuys. It was first publicly presented in 1982 at documenta 7.

Air-raid shelter am Weinberg (Bunker am Weinberg) in Kassel is a World War II air raid shelter built end of the 1930s.

The Fridericianum is a museum in Kassel, Germany. Built in 1779, it is one of the oldest public museums in Europe. Since 1955 the quinquennial art festival documenta has been centred on the site, with some artworks displayed on Friedrichsplatz, in front of the building.The exhibition building itself was fully renovated by 1982. Ever since 1988, Fridericianum has continually hosted changing exhibitions of contemporary art. Since June 2013 Susanne Pfeffer has been director of the Fridericianum.

Documenta (often stylized documenta) is an exhibition of contemporary art which takes place every five years in Kassel, Germany. Documenta was founded by artist, teacher and curator Arnold Bode in 1955 as part of the Bundesgartenschau (Federal Horticultural Show) which took place in Kassel at that time. It was an attempt to bring Germany up to speed with modern art, both banishing and repressing the cultural darkness of Nazism. This first Documenta featured many artists who are generally considered to have had a significant influence on modern art (such as Picasso and Kandinsky). The more recent editions of the event feature artists based across the world, but much of the art is site-specific. Every Documenta is limited to 100 days of exhibition, which is why it is often referred to as the "museum of 100 days". Documenta is not a selling exhibition.

The Friedrichsgymnasium is a humanistic classical gymnasium, located in Kassel, Hesse, Germany, that focuses on music and foreign languages, particularly Latin and Ancient Greek. The mission statement of the school is to spread the ideas of humanism and tolerance and to ensure the students grow up to become independent, educated and responsible, following the school motto "Learn what you are and be such", a quote by the Ancient Greek poet Pindar. The school is a so-called "Gymnasium", a secondary school that offers the highest possible standards in education and aimes for the students to take their A-Levels, the "Abitur", in year 13. The school specializes in supporting highly gifted students and has a tradition of encouraging students to be competitive and exceed their limits. However, the school also highlights the importance of tolerance and solidarity, taking part in projects with hospitals and refugee organisations.

The Ottoneum in Kassel, Germany was the first theater building built in Germany and is now a museum of natural history.

The Kingdom of Westphalia was a client state of France in present-day Germany, that existed from 1807 to 1813. While formally independent, it was ruled by Napoleon's brother Jérôme Bonaparte. It was named after Westphalia, but this was a misnomer since the kingdom had little territory in common with that area. The region mostly covered territory formerly known as Eastphalia. Napoleon imposed the first written modern constitution in Germany, a French-style central administration, and agricultural reform. The Kingdom liberated the serfs and gave everyone equal rights and the right to a jury trial. In 1808 the Kingdom passed Germany's first laws granting Jews equal rights, thereby providing a model for reform in the other German states. Westphalia seemed to be progressive in immediately enacting and enforcing the new reforms. The country was relatively poor but Napoleon demanded heavy taxes and payments and conscripted soldiers. Few of the men who marched into Russia with Napoleon in 1812 returned. The Kingdom was bankrupt by 1812. When Napoleon was retreating in the face of Allied advances in 1813, the Kingdom was overrun by the Allies and (in 1815) most of its territories became Prussian. Most of the reforms, however, remained in place.

The Orangerie is an orangery in Kassel, Hesse, Germany. It was built under Landgrave Charles between 1703 and 1711. Since then, it forms the northern corner of the Karlsaue park. Today it is used as an astronomy and physical cabinet.