Some of these sleek, weird houses look like they've been ripped out of the twenty-second century — and some look like they're from the next millennium. Get ready to move into the freaky saucer homes of tomorrow.

Sleeper House or Sculptured House, Genesee Mountain, Colorado (Charles Deaton, 1963)

This famous elliptical house was one of the places where Woody Allen took a nostalgic look at the future in his 1973 movie Sleeper.

(via OpenBuildings, Travellin' Librarian and Smagazine)

The Steel House, designed by Robert Bruno, Ransom Canyon, Lubbock, Texas built between 1973 and 1996 out of 110 tons of steel.

(via alan madrid and Robert Bruno)

Dupli Casa, designed by J. MAYER H. Architects, Ludwigsburg, Germany, 2008

(via ArchDaily)

House O, by Jun Igarashi Architects, Tokoro District, Hokkaido Prefecture, Japan, 2009

(via ArchDaily)

House on the Flight of Birds, designed by Bernardo Rodrigues, located in Ribeira Grande, St. Michael Island, The Azores, Portugal, 2010

(via ArchDaily)

Himmelhaus, designed by Coop Himmelb(l)au, Venice, California

(via OpenBuildings and A Birds Eye)

A house in Ashdod, Israel, designed by Zahavi Architects, 2012

(via ArchDaily)

The transparent Villa Kogelhof in Noord-Beveland, The Netherlands, designed by Paul de Ruiter Architects, 2013

(via Paul de Ruiter)

Bonus: The Monte Rosa Hütte (Monte Rosa Hut), a mountain hut near Zermatt, Switzerland, designed by Bearth & Deplazes Architekten in 2009. The hut is at an altitude of 9,459 ft (2,883 m).

"The prefabricated elements were transported by train to Zermatt and 3,000 helicopter trips were needed to take 35 workers and materials up to the glacier" – according to its Wiki page.

(via Bearth & Deplazes)