Europe’s most fascinating cultural avenue comprising 18 museums, theatres with interesting performances, the Opera House, the Basilica, the Synagogue, the Amusement Park and the Zoo, is in Budapest.

Hungarian National Museum (Magyar Nemzeti Múzeum)
Hungary’s first museum houses world famous relics, among others the nearly 1000 year old Coronation mantle, one of the symbols of the Hungarian State. The museum holds such particular items, as the Monomachos crown or the document, terminating the Warsaw Pact.
A permanent exhibition showcases the history of Hungary from the state foundation to 1990.
Another permanent exhibition presents the history of people of the Hungarian lands from 400.000 BC to 804 AD.
The Lapidarium houses one of Hungary’s most significant Roman stone collections.

Műcsarnok (Art Hall)
The exhibition hall on Heroes’ Square was built in 1896 for the millennium celebrations. It was designed by Albert Schikedanz (1846-1915) with the contribution of Fülöp Ferenc Herzog (1860–1925).The building is arranged in the principle of a three-aisle cathedral. The eclectic, neo classicistic façade is ornated with portico and tympanum. In the tympanum there is a mosaic of Jenő Haranghy titled: St. Stephen, patron of arts. The elongated raw brick building is ornated with colourful ceramic frieze. Lajos Deák Ébner decorated the hall with a fresco.
The building was renovated in 1991-1994.Outstanding artworks of Hungarian and international contemporary artists are exhibited in the Art Hall.

Museum of Fine Arts (Szépművészeti Múzeum)
The museum collects and houses universal artworks from the Antiquity till now.
The collection is made up of six departments: Egyptian Art, Classical Antiquities, Sculpture, Old Master Paintings, Prints and Drawings, Department of Art after 1800. World famous artworks, as:Exekias’ black figure amphora, Raphael's Esterhazy Madonna, works of El Greco, Velázquez and Goya, Dürer's Portrait of a Young Man, Manet’s Lady with a fan, Leonardo’s Mounted Warrior are exhibited. Including artworks of the most famous artists, all periods of European fine arts are showcased.
The Budapest Museum of Fine Arts is one of Europe’s most significant museums.Its collection is highly ranked, due to the diversity, historical continuity, abundance of masterpieces.

Hungarian National Gallery (Magyar Nemzeti Galéria)
The Hungarian National Gallery is the largest public collection documenting and presenting the rise and development of the fine arts in Hungary. Since 1957 it is an independent institution, and moved to its present location, the former Royal Palace of Buda, in 1975. Permanent exhibitions: Medieval and Renaissance Stone Carvings, Panel Paintings and Wooden Sculptures from the Gothic Period, Late Gothic Winged Altarpieces, Late Renaissance and Baroque Art, Paintings from the 19th Century, Sculptures from the 19th Century, Mihály Munkácsy and the Realism of the End of the Century, 20th-Century Art before 1945, 20th-Century Art after 1945

House of Terror (Terror Háza)
Today a museum, but it was a real house of terror during two shameful and tragic periods of the 20th century.
In 1944 during the fascist terror regime, it was a Nazi headquarter, in 1945-1956 it was the communist terror organisation ÁVO’s and its successor ÁVH’s headquarter. The Museum is a monument to the memory of those held captive, tortured and killed in this building, and to all victims of the dictatures. While presenting the horrors in a tangible way, also intends to make people understand that the sacrifice for freedom was not in vain.
The multimedia exhibition presents in chronological order the two Hungarian terror regime periods.Terror Háza

Transport Museum (Közlekedési Múzeum)
The state owned Transport Museum is in the City Park, in the 14th district of Budapest. Its collection is acquired from Hungary.
Beyond the central building it has more exhibition halls in Budapest and all-round the country. It is one of the oldest technical collections of Hungary. The Transport Museum and the Museum of Science and Technology were merged in 2008.The new institution is called Hungarian Museum of Science, Technology and Transport. One of the outstanding buildings of the millenary exhibitions in 1896 was the Hall of Transport. The development of the transport in Hungary, especially the railway was showcased at this exhibition. The Hungarian Royal Transport Museum was inaugurated in the same building in 1899 and received visitors during 45 years. Its collection was based on that of the millenary exhibition. In 1944 the museum was hit by bomb. The considerably reduced building, what lost even its ornated dome, was reopened in 1966 after restoration. A new wing was added to the building in 1987.

Dohány Street Synagogue - Jewish Museum (Dohány Utcai Zsinagóga - Zsidó Múzeum)
The Synagogue of the Dohány utca – commonly called the great synagogue, is the biggest synagogue of the neolog Jews in Budapest, and even in Europe. It is in the former Jewish Quarter, where even nowadays many inhabitants of Jewish religion are living and safeguarding the old traditions. The synagogue is an important symbol of the Hungarian Jewish community, and an outstanding touristic attraction of Budapest. It has an important role in the capital’s cultural life as well. The religious centre houses classical music concerts, festivals, organ concerts, cantor performances. 

Budapest History Museum, Aquincum Museum (Budapest Történeti Múzeum Aquincumi Múzeuma)
It is one of the biggest archaeological parks in Hungary. About a quarter of Aquincum’s civilian settlement, with the most characteristic public buildings and dozens of private houses are presented to the visitors. The remains recall the golden ages – 2nd -3rd century AD -of the capital of the Provincia Pannonia. Hungarian and English information tables are helping the visitor at the most important ruins. Chronoscopes in the park let a glimpse to the original appearance of Acquincum’s buildings. Permanent and temporary exhibitions display Roman relics excavated from the territory of Budapest. To learn more about the Aquincum life, regular programs are organised at the archaeological site. Museum lessons for children and adults are a playful way to acquire historical knowledge. 

Institute and Museum of Hungarian Military History (Hadtörténeti Intézet és Múzeum)
The museum was founded in 1918. Its collection comprised of relics of the Budapest War History Archives and of collected antiquities. The museum became independent in 1922, but received its own building in a classicistic military barrack, built in 1847, only later. The west wing of the barrack was transformed for the purposes of the Museum of Military History from 1926.The museum moved in at the end of the twenties, and in the thirties. Two third of the museum’s collection was destroyed during World War II. The collection has been constantly increasing from the end of the war. Its weapon collection consists of more than 50 000 small and light arms, machine guns, and other military devices. The museum houses more than 30 000 military uniforms, 5000 flags, 28 000 medals. Collections of books, fine art objects, photos, stamps, posters, printed matter are also abundant.

Hungarian Natural History Museum ( Magyar Természettudományi Múzeum)
Hungarian Natural History Museum is third oldest museum in Europe. More than 10 million items are housed in its scientific collections. Its exhibitions put on show the natural curiosities, beauties of the Carpathian Basin and of the whole world in an extraordinary, interactive way. In 1802 Count Ferenc Széchényi donated his library and medal collection to the Hungarian Nation, to establish a public scientific centre, a national library. The future Hungarian National Museum and the Széchényi Library were based on this donation. The mineral collection of Julianna Festetics, the Count’s wife, served as the base for the future Department of Natural Sciences.

Museum of Ethnography (Néprajzi Múzeum)
The idea of founding dates back to the 5th March, 1872– when János Xántus was appointed to head of the Ethnographic Department of the Hungarian National Museum. The Museum of Ethnography commemorates this by the “Day of Museum of Ethnography” on every 5th of March. Its first exhibition is also related to János Xántus. The permanent exhibition “Traditional Culture of the Hungarians” offers visitors a glimpse of the culture of the Hungarian peasantry through every day and festival relics. A library is operating in the museum. The building was constructed in 1893-1896, after the plans of Alajos Hauszmann for the Supreme Court and served as palace of Justice up to 1949. 

Museum of Applied Arts (Iparművészeti Múzeum)
Established in 1872, on the initiative of Ferenc Pulszky; it is the third Museum of Applied Arts in Europe. “Universal antiquities” were transferred from the Hungarian National Museum, as the core of the historical collection. Purchases at world exhibitions, and gifts of famous companies, as the Herend Porcelain Manufactory, the Zsolnay Manufacture enriched the contemporary collections. The National Museum held the collection till 1877, and then it was transferred to the Old Art Hall in the Andrássy street. The gradually growing collection needed an own building, the Government called for bid in 1890 to the planning. The realization of the award winning plans of Ödön Lechner and Gyula Pártos could start only in 1893. The palace was inaugurated in the frame of the millenary celebrations, in the presence of Ferenc József I., on the 25th October, 1896.The architect himself recognized that the building had “too Hindi” appearance. The interior frescos of Károly Reissmann, were whitewashed in 1920.Only small part of his artwork survived. In the Second World War the palace was damaged. The destroyed parts of the building (main entrance, main dome, glass hall) were restored in 1949.The Museum of Applied Arts lost its independence, in 1934-1948 functioned as Department of Applied Arts to the Hungarian National Museum. 

from wikipedia