The idea for the Panama Canal goes back to 1534, when the Spanish surveyed the area. However, the canal wasn't built for centuries, and it was an arduous task. Learn more about the malaria plaguing canal builders in this podcast from HowStuffWorks.com.
Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htm
And to learn about your ad choices when listening to podcasts, visit
https://www.howstuffworks.com/privacy.htm#ad-choices