Did you know that the smell of sassafras blowing offshore convinced Columbus he was near land? Or that the American sycamore, which has the largest tree trunk in the eastern forest, can live for 500 to 600 years? Or that in the period before the American Revolution, patriots designated a sycamore tree in each colony as a "Liberty Tree" -- a meeting place for plotting against the British? These facts are just a few of thousands you'll find inBotanica...