Vanilla is so valuable that it's been called "green gold." At its peak in 2017, prices reached nearly $600 per kilo, making it the second-most expensive spice in the world. But by 2024, prices had crashed to roughly $50 per kilo.
Alexander Braczkowski
Bill Clark/CQ Roll Call
Fish maw — the swim bladder of a fish — is one of the most expensive dried-seafood products in the world. A Chinese delicacy, it can fetch $450 to $1,000 per kilogram.