A California almond farm serves up a hidden stash of retro surf shop relics, and a Prohibition-era bowling alley in L.A. offers a mind-blowing trip back in time.

Mike and Robbie visit an old-school general store filled with country road gold. And a serious collector opens the doors to his empire of vintage coin-op scales.

Mike, and Robbie head for the Hollywood Hills to pick a once-in-a-lifetime stockpile of amazing movie memorabilia.

Robbie unveils his sprawling retro garage, and in Southern California, the Wolfe brothers come face-to-face with the King of Signs and uncover the Holy Grail of 3D signs.

The Wolfe brothers uncover an overgrown vintage Cadillac graveyard in the woods, and peel back the layers of a gargantuan California stockpile.

The Wolfe brothers drop in on an historic San Francisco hotel that's home to an awesome collection of classic cars and uncover a hidden stash of spooky carnival relics.

Mike visits the Virginia birthplace of a high-speed camera that changed the world. Meanwhile in Nashville, a music guru has some sobering news about Danielle's rock'n'roll gamble.

In the heart of beer country, the Wolfe brothers find the motherlode of breweriana, the granddaddy of all pinball machines, and Elvis inside a Milwaukee collector's suburban home. Down the road, Mike and Robbie make a return pilgrimage to an Illinois honey hole to dig through five generations of history in a century-old mansion full of treasure.

On Uncle Butch's ten-acre homestead in Wisconsin, the Wolfe brothers pay big money for some rare nuggets of petroliana but strike out on a jaw-dropping ride with a Hollywood pedigree. Flying solo in Milwaukee, Mike meets the 97-year-old inventor whose life-like automatons tell the story of America's all-time favorite characters.

Mike and Jersey uncover a massive collection of petroliana in Alabama while Dani and Robbie hit an Arizona property with killer steam engines.

Mike goes hog wild for a super-rare, barn-fresh Shelby Mustang in Alabama.

A Wisconsin collector's oversize storage units feature a bonanza of new old stock, a bale of shredded cash, a gargantuan pistol--and a motivated seller who keeps lowering his prices. Down the road, a former drag racer opens the doors to his museum-quality stockpile of petroliana featuring homemade engine cutaways, a stable full of early Chevrolets, and a barn-fresh must-have pickup.

Mike uncovers an ultra-rare pinball machine in Louisiana while Robbie and Jersey uncover an epic property packed with rusty cars.

Mike and Jersey visit a flea market junkie in Louisiana while Robbie and Danielle scour a jam-packed Arizona property where nearly everything is for sale.

A mind-blowing Alabama collection includes a century of salvage, and in Mississippi, Robbie dives into the huge remains of a family's carnival empire.

Mike uncovers a mind-blowing collection of vintage baseball cards in Kansas while Robbie and Jersey try to broker a deal in Tommy's "black hole of stuff."

Mike makes a return pilgrimage to Rick's Michigan honey hole. And this time he's determined to seal the deal on a ratty t-shirt and futuristic one-of-a-kind bubble car--no matter how big the price tag. Down the road, Robbie and Jersey comb through a late collector's sprawling workshop where everything is ups for grabs including a bright green dune buggy.

In the thumb of Michigan, a homeowner's inventive great granddad left behind a cutting-edge property complete with a custom zip line, water park, and private speakeasy; at a defunct museum down the road, Danielle closes in on a claw-foot bathtub.

Mike and Danielle scour a sensory-overload attic in Detroit while Jersey and Robbie follow a random lead to a late collector's mighty stockpile.