Exterior view of 21er Haus

21er Haus

The impressive building was constructed by leading architect Karl Schwanzer as the Austria pavilion for the World Exhibition in 1958 and opened as a museum for the art of the 20th century in Vienna in 1962. Today, the building known as 21er Haus and forming a part of the Belvedere, is used in an international context as a platform for Austrian art from 1945 to the present day. In addition to themed changing exhibitions and individual items, the new museum will also show the estate of the sculptor Fritz Wotruba and house the artotheque of the Austrian Federation. A cinema and a café-restaurant with terrace in the sculpture courtyard (designed by Adolf Krischanitz and Hermann Czech) supplement the offering.

Architect Adolf Krischanitz adapted and remodeled Schwanzer's building for the re-opening in 2011. In 1958, Schwanzer received the Grand prix d'Architecture for the trendsetting and technically innovative design. Krischanitz has now excavated the basement and added a six-storey tower to the facility, which acts as a long-range signal.

Restaurant twentyone

The restaurant twentyone invites you to take a break after a visit to the museum. Everything here revolves around the number 21. There are 21 à la carte dishes of crossover cuisine, 21 types of coffee, 21 red and white wines and 21 varieties of gin. A tip is the pretty terrace in the summer.

21er Haus

Arsenalstraße 1, 1030  Wien
  • Prices

    • Young people under 19   €0
    • Your benefit with the Vienna Card: 21% off
  • Opening times

    • Tu, 11:00 - 18:00
    • We, 11:00 - 21:00
    • Th - Su, 11:00 - 18:00
    • Public Holidays (including Monday and Tuesday) 11 am-6 pm
  • Accessibility

    • Main entrance
      • no steps (Double swinging doors   140  cm  wide )
    • Car parks Main entrance
      • 1 Parking spaces for people with disabilities
    • Elevator available
      • 100 cm wide and 250 cm low , Door 90 cm wide
    • Further information
      • Seeing eye dogs allowed
      • 2 Wheelchair spaces available (spaces in the Blickle cinema by the entrance on the right)
      • Wheelchair accessible restroom available.
    • Special offers for people with disabilities

      Tactile tours on the architecture of 21er Haus and the sculptures of Fritz Wotrub for blind and visually impaired people.


Arsenalstraße 1, 1030  Wien


Interior view of 21er Haus
Restaurant twentyone
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