Season 1

01 Los Angeles Episode 116th May 2011 Don penetrates a former Nazi military compound, uncovers clandestine oil rigs in seemingly normal neighborhoods, and kayaks down the LA River revealing a rarely seen side of Los Angeles. 02 Seattle Episode 223rd May 2011 520 feet above Seattle, Don Wildman experiences the Emerald City from the outer rim of the Space Needle. Mosquito Fleet steamboats prove difficult to find in the icy waters surrounding the city. 03 San Francisco Episode 36th June 2011 Don goes to Oak Knoll Naval Hospital and an old WWII POW camp. 04 Arizona Episode 413th June 2011 The host visits Arizona and checks out a secret missile silo and a lost gold mine. 05 Tennessee Episode 520th June 2011 Don goes rafting in Tennessee and checks out a secret moonshine operation. Also: a look at collapsing coal mines and prehistoric caves. 06 Buffalo Episode 627th June 2011 Don visits an old powerhouse in Buffalo. Later, he checks out a tunnel system from the early 1800s. 07 Secrets of New York Islands Episode 74th October 2011 Don gets access to an isolated stronghold that once saved New York city, uncovers the fantasy island arsenal of the biggest arms dealer on earth, and scrambles around a forgotten relic once used to keep the depraved out of site. 08 Dirty Secrets of Boston Episode 811th October 2011 Don explores Boston to uncover how this city has solved big problems with bold ideas -- from the first subway in the US to a waste treatment plant that helped clean up the infamous mess in it's harbor. 09 Transforming The Big Apple Episode 918th October 2011 Don explores the hidden corners of New York City. 10 Hawaii Episode 1025th October 2011 In Hawaii, the host explores a hi-tech tunnel bored into a volcano. He also uncovers secret bunkers and learns about ancient bloody rituals. 11 St. Louis Episode 113rd November 2011 The host visits St. Louis and explores the city's willingness to embrace change through the years. 12 Pittsburgh Episode 1210th November 2011 Don explores Pittsburgh's industrial wasteland and hi-tech wonders. 13 Twin Cities Episode 1317th November 2011 Don explores the Twin Cities of Minneapolis and Saint Paul, Minnesota, revealing the secret past of these sibling cities and their hidden underworlds.