This year's U.S. Department of Energy Solar Decathlon competition will be held at the National Mall's West Potomac Park. Specifically, between the Franklin Delano Roosevelt Memorial and the Potomac River.
The Solar Decathlon challenges 20 teams to design, build and operate solar-powered houses that are cost-effective, energy-efficient and attractive.
The first Solar Decathlon was held in 2002. Since then, they've been held biennially in 2005, 2007, 2009 and this year. The 2011 event will be held in late September.
To get a taste for everything that goes into this event, check out the computer-animated video the New Jersey team submitted to walk us through the solar home they're building for the 2011 competition.
You can check out videos from each of the 20 teams competing in this year's competition on the Solar Decathlon site.
Best of all, in September you can come to West Potomac Park and tour all the houses yourself!