The World's 18 Strangest Buildings—And Why We Love Them

This July, the American Institute of Architects forecasted steep declines in nonresidential construction spending through 2010. Spending is projected to decrease by 16 percent this year and another 12 percent in 2010. With less money flowing through the industry, high-end design projects are likely to be scaled back; architects, builders and regular folk are opting for retrofits with more practical design. While the demand may be turning to minimal and frugal architecture, unusual design still holds a place for museums and other prominent locations, primarily because it is so effective at turning heads. Here are some of our favorite unusual designs for museums, offices, homes and libraries—and why they are so effective at drawing attention.

By Lisa Merolla

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1. Waldspirale

City: Darmstadt, Germany

Background: Friedensreich Hundertwasser, an Austrian architect and painter, designed this building, which contains 105 apartments and a restaurant.

How It's Strange: Buildings are not usually this gaudy. "It's fantastical," says Toby Israel, a design psychologist and author of Some Place Like Home. Hundertwasser, known for his colorful, irregular-shaped buildings, chose windows of different shapes and sizes for this apartment. In addition, the building's colors are meant to represent layers of sediment rock.

2. 30 St. Mary Axe

City: London

Background: This is the second tallest building in the City of London. Opened in 2004, it is commonly referred to as the Gherkin, after the cucumber-like fruit. Its suggestive shape also earned it the nickname "Towering Innuendo."

How It's Strange: The building's roundness is striking; its maximum circumference is only two meters less than its height. Such roundness is rare because it requires computer-aided design, as well as a more costly construction, Israel says. In addition, the Gherkin is mostly windows, with 24,000 square meters of external glass, a unique, energy-efficient building approach.

CLICK FOR MORE The World's 18 Strangest Buildings
1.) Waldspirale & 2.) 30 St. Mary Axe	3.) Habitat 67 & 4.) The Egg	5.) Flintstone House & 6.) Container City II	7.) The Crooked House & 8.) Basket Building	9.) Community Bookshelf & 10.) Guggenheim Museum
11.) Ferdinand Cheval's Ideal Palace & 12.) Dancing House	13.) Lotus Temple & 14.) Cadet Chapel	15.) Niteroi Contemporary Art Museum & 16.) Cube Houses	17.) Library of Alexandria & 18.) Belarus National Library