Frank Gehry, one of the most prolific and famous architects on earth, turns 85 years old today.

Chances are you've seen one of his undulating and mind-bending architectural marvels even if you didn't know it was a Gehry building.

The internationally acclaimed American artist has been making us question how we perceive buildings ever since his billowing designs splashed onto the scene.

Here are his 13 best works, ranked, based on aesthetic appeal and critical acclaim. See more of our favorite buildings on our Cool Architecture board on Pinterest.

13. Neuer Zollhof, Düsseldorf, Germany 12. The Weatherhead School of Management at Case Western Reserve, Cleveland, Ohio, USA 11. Walt Disney Concert Hall, Los Angeles, California, USA 10. DZ Bank Building (Atrium), Berlin, Germany 9. Weisman Art Museum, Minneapolis, Minnesota, USA 8. Vitra Design Museum, Rhein, Germany 7. MIT's Strata Center, Boston, Massachusetts, USA 6. The Dancing House, Prague, Czech Republic 5. Experience Music Project in Seattle, Washington, USA 4. Cleveland Clinic Lou Ruvo Center for Brain Health, Las Vegas, Nevada, USA 3. Marqués de Riscal Winery, Rioja, Spain 2. 8 Spruce Street (Beekman Tower), New York, New York, USA 1. Guggenheim Bilbao, Bilbao, Spain BONUS: Gehry's (uncompleted) Facebook Campus

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SEE ALSO: The Otherworldly Architecture Of Zaha Hadid

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