We may still be a long way from putting a human colony on Mars, but that doesn't mean we can't live like spacemen here on Earth. These 18 trippy buildings—all built since 2000—look like they're from another world entirely.

The City Hall of Alphen aan den Rijn, Netherlands, 2002. Architect: Erick Van Egeraat.

Photo: Christian Richters

The Selfridges store, Birmingham, UK, 2003. Architects: Future Systems.

Photo: Christopher Furlong/Getty Images

The Walt Disney Concert Hall, Los Angeles, 2003. Architect: Frank Gehry.

Photo: David McNew/Getty Images

Phaeno Science Center, Wolfsburg, Germany, 2005. Architect: Zaha Hadid.

Photo: Joe Nadin

The National Theatre, Beijing, China, 2007. Architect: Paul Andreu.

Photo: Lintao Zhang/Getty Images

The Worrell, Weekes and Walcott stand at the Kensington Oval in Bridgetown, Barbados, 2007.

Photo: Jenni Konrad/Tom Hodgkinson

The "Mobile Art" exhibition pavillion in Hong Kong, 2008. Architect: Zaha Hadid.

Photo: Kin Cheung/AP

The Beijing National Stadium known as the "Bird's Nest", Beijing, China, 2008. Architects: Herzog & de Meuron.

Photo: Bullit Marquez/AP

The Porsche Museum, Stuttgart, Germany, 2009. Architects: Delugan Meissl Associated Architects

Photo: Thomas Kienzle/AP

The Guangzhou Opera House, Guangzhou, China, 2010. Architect: Zaha Hadid.

Photo: Lian Chang

The Flame Towers in Baku, Azerbaijan, 2012. Architects: Hellmuth, Obata and Kassabaum.

Photo: Nigel Treblin/dapd

The new Festival Hall in Erl , Austria, 2012. Architects: Delugan Meissl Associated Architects.

Photo: Kerstin Joensson/dapd/AP

The Eli and Edythe Broad Art Museum, Michigan State University, 2012. Architect: Zaha Hadid

Photo: Carlos Osorio/AP

Galaxy Soho, Beijing, China, 2012. Architect: Zaha Hadid.

Photo: Ningbo Ningbo

The EYE Film Institute, Amsterdam, Netherlands, 2012. Architect: Delugan Meissl Associated Architects.

Photo: Joe Nadin

Pierres Vives government department, Montpellier, France, 2012. Architect: Zaha Hadid.

Photo: Jean-Baptiste Maurice

The Heydar Aliyev Cultural Center, Baku, Azerbaijan, 2012. Architect: Zaha Hadid.

Photo: Wikipedia

The Peoples Meeting Dome, Allinge, Bornholm, Denmark, 2012. Architects: Kristoffer Tejlgaard & Benny Jepsen.

Photo: Kristoffer Tejlgaard & Benny Jepsen

Did we miss one of your favorites? Post a photo of it below!