Sometimes a building is like an architectural alien. The bizarrely-shaped museums in these photographs are so different from the city around them that it's as if they erupted out of a dimensional doorway from another universe.

The Niterói Contemporary Art Museum, Niterói, Rio de Janeiro, Brazil, designed by Oscar Niemeyer, completed in 1996.

Guggenheim Museum Bilbao, designed by Frank Gehry, Bilbao, Spain, 1997.

Experience Music Project Museum, designed by Frank O. Gehry Seattle, Washington, 2000

The Quadrucci Pavilion of Milwaukee Art Museum, designed by Santiago Calatrava, opened in 2001
Buildings that look like UFO crash landings

Buildings that look like UFO crash landings

Kunsthaus Graz (also known as the Graz Art Museum or the Friendly Alien), designed by Peter Cook and Colin Fournier, opened in Graz, Austria, 2003.

Dalian Shell Museum, designed by DUT, Dalian, China, 2003Buildings that look like UFO crash landings

Walt Disney Concert Hall, designed by Frank Gehry, Los Angeles, California, opened in 2003

The Denver Art Museum Frederic C. Hamilton Building, designed by Daniel Libeskind, opened in 2006, Denver, ColoradoBuildings that look like UFO crash landings

Theatre Agora, Lelystad, Netherlands, designed by UNStudio, opened in 2007

(via UNStudio)

The Michael Lee-Chin Chrystal at Royal Ontario Museum in Toronto, Ontario, Canada, designed by Daniel Libeskind, opened in 2007.

(via Skeezix1000, russavia, Alexandre Kozoubsky, Chris Lee and The City of Toronto)

The Macao Science Center, designed by Pei Partnership Architects, Macau, China, 2009.

Centre Pompidou-Metz, designed by Shigeru Ban, Metz, France, 2010.

Design Museum Holon, by Ron Arad Architects Ltd. in Holon, Israel, 2010

Ordos Art & City Museum in Ordos, Inner Mongolia, China, designed by MAD Architects, completed in 2011.

Buildings that look like UFO crash landings

Buildings that look like UFO crash landings

The Museo Soumaya (Soumaya Art Museum), designed by Fernando Romero, Mexico City, Mexico, 2011