Research into sexuality is kicking at the Smithsonian. Explore the love letters of Jackson Pollock and Frida Kahlo, stories about "the birds and the bees," and laws of attraction between fiddler crabs.

Tom goes natural at the Smithsonian Tropical Research Institute in Panama.

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Tom unlocks some of the Smithsonian's most compelling mysteries. Can an artist outsmart the world's top spies? How does a missile filled with mail make a political statement to the world?

Tom taps into the Smithsonian's vaults and labs to gaze into the future...as we envisioned it in the 1930s and as we look forward today.

Tom joins the Smithsonian on a mission of "extreme conservation" to protect the best aspects of our world for future generations.

Tom takes on the bad guys and digs up some pretty incriminating evidence from the Smithsonian vaults.