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Photo: eimoberg from Changwon, South Korea, CC BY 2.0 via Wikimedia Commons
This Neo-baroque palace, completed in 1928, after 11 years of construction - is unique in the world, housing both the executive power, the legislative power, and the judicial power of Denmark, in a single building. It is the 5th construction at the site, and the ruins of the original castle dating back to the 12th century - was excavated during the construction of the current palace, is open to the public (adult 85 kr, student 60 kr). Apart from the ruins there are a few other places that can be visited: free guided tours of the parliament building are conducted during summer months; Parliament's tower can be visited free of charge Tu-Su 11:00-21:00; the Royal Reception Rooms (including the Great Hall with the tapestries) 150 kr; the Royal Kitchen 85 Kr, the Royal Stables 85 kr; the Palace Chapel - free admission. Besides, there is a combination ticket which allows entrance to all of the aforementioned sights - 225 kr. You get a discount of 10 kr for all tickets when ordering online.
Christiansborg Palace is a palace and government building on the islet of Slotsholmen in central Copenhagen, Denmark. It is the seat of the Danish Parliament, the Danish Prime Minister's Office, and the Supreme Court of Denmark. Also, several parts of the palace are used by the Danish monarch, including the Royal Reception Rooms, the Palace Chapel and the Royal Stables.
© OpenStreetMap contributors
Bertel Thorvaldsen (1770-1844) was a Danish/Icelandic sculptor, who lived most of his live in Rome. He is one of the major internationally renowned Danish artists. The museum houses many of Thorvaldsens original models, and several marble casts makes the collection almost complete. It is big and impressive, and the building itself is a striking piece of architecture.
Danish War Museum (previously: the Royal Danish Arsenal Museum)
The Royal Danish Arsenal Museum covers the history of the Danish Defence, its collection dating back to 1604. It covers the development of weapons from the introduction of firearms to the present day, and is well known for its many activities for kids - especially its medieval knight days, during the schools autumn break in week 42.
Danish Jewish Museum
The museum presents Jewish life in Denmark through 400 years, from the first immigrants in the seventeenth century until today. The exhibition space is designed by famous architect Daniel Liebeskind, and is quite striking - with its old traditional exterior contrasted by a very modern interior.
National Museum of Denmark
This museum portrays the national history and cultural heritage of Denmark and is widely regarded as one of the best in Europe. The permanent collection is well laid out, an informative collection of national artifacts, perhaps the most impressive being those exploring Danish prehistory from the Bronze Age through to the Vikings. The museum also holds a collection of Classical and Near Eastern artefacts. The children's museum in the basement is a blast for the kids.
A museum about the psychology, history, and geography of happiness—and why Denmark is often ranked the happiest country in the world. Created by the Happiness Research Institute, an organisation that studies happiness with the goal of improving people's well-being around the world.
Det Kongelige Bibliotek, Black Diamond (Den Sorte Diamant)
The library was founded in the 1650s and have an impressive collections of rare books and manuscripts, which includes a Gutenberg Bible, tormented philosopher Soren Kierkegaard's original manuscripts and "Out of Africa" author Karen Blixen's diaries, as well as a newer collection that includes most of the original drawings of the controversial Mohammad cartoons. Changing exhibitions of books and art, often from the libraries own collection, are displayed in a new striking building overlooking the harbor, called the black diamond.