The wonderful state of Florida has pumped so much groundwater from underground aquifers that its foundation is literally sinking. The result: A rash of sinkholes across the state's gut has been sucking homes, humans, and house pets into the earth. Emerson dons his Speedo, flip-flops, and "best Florida shirt ever" to sniff out a sinkhole and find out why Floridians keep pumping their state dry.This is the second episode in a three-part series about freshwater crises in America.