Preserve Our Planet ~ Singing Sand Dunes Posted on August 6, 2009September 19, 2014 by TheHippieSeed Video Excerpt ~ 05:12A sonic phenomenon in the Eureka sand dunes of Death Valley have mystified scientists for decades. More from my siteAffiliate ~ REI: Bike Your DriveVideo ~ STS9: In the Studio & On the RoadShaky Knees Announce 2014 Dates & Lineup: Modest Mouse, Edward Sharpe & More TBAEco Biz ~ The Future of LifeCharity of the Month ~ Surfrider FoundationVideo ~ Stop Online Piracy Act