From the secret signs of homeless communities to Toynbee tiles, the world of advertisement and even the US dollar, the world is chock-full of hidden signs, languages and symbols. Recently, the guys hit the road, traveling across the northeast and exploring these secret images on their first live tour. Tune in to learn more about the strange world of hobo code, the weird images on US currency and the murky origins of the Federal Reserve.Learn more about advertising on the HowStuffWorks podcasts at www.howstuffworks.com/advertisers.htmAnd to learn about your ad choices when listening to podcasts, visit https://www.howstuffworks.com/privacy.htm#ad-choices
From the secret signs of homeless communities to Toynbee tiles, the world of advertisement and even the US dollar, the world is chock-full of hidden signs, languages and symbols. Recently, the guys hit the road, traveling across the northeast and exploring these secret images on their first live tour. Tune in to learn more about the strange world of hobo code, the weird images on US currency and the murky origins of the Federal Reserve.