Explorers: Wild Chronicles: DC Bioblitz
Flash Player Upgrade Required.
Coming up next in 10 seconds
© National Geographic
Wild Chronicles: DC Bioblitz
In 2007, National Geographic hosted the Rock Creek Park BioBlitz in Washington, D.C. Teams made up of biologists, families, school groups, youth groups, conservationists, and government leaders spent 24 hours combing the city's urban park.