It all happens in John's car: Tom Petty's keyboardist, Benmont Tench and his Casio get in the back seat to play a very Off-Rampy song ... Queena Kim conducts a creativity masterclass ... Food writer Russ Parsons brings pie ... Charles Phoenix & Chris Nichols on the joys of getting lost in SoCal ... And Mayor Garcetti challenges John to a backgammon game. (PHOTO: On old off-ramp from the Arroyo Seco Parkway. Credit: John Rabe)

On the second to last episode: an expert on relics, mummies, crypts, and the way we live with death ... KPCC's Matt Bloom looks at the fungal disease killing LA's ficus trees ... The amazing career of Ruth Batchelor: founder of the LA Film Critics Association and songwriter for Elvis ... Lou Adler on the 50th anniversary the Monterey Pop Music Festival ... And Off-Ramp's last producer remembers the first time ever he heard our show. (Image: John Rabe)

LeVar Burton on Reading Rainbow, Roots, and Next Gen ... Matt Groening on Huell Howser's retirement ... Gordon and the spider ...

Huell retired after 20 years of California's Gold ... Countercultural Paul Krassner remembers getting stoned with Groucho, John, and Yoko; celebrating the dean of radio DJs, Art LaBoe, 87; another Instagram winner!

1914: 28 men set off to cross Antarctica and wind up with an even greater accomplishment by failing in their original mission.

Time machines: "Classic Dining: Discovering America’s Finest Mid-Century Restaurants;" the 25th anniversary of "Star Trek: The Next Generation;" and the frozen wing of the Alexandria Hotel, locked in space and time since 1938.

Richard Simmons is still sweating to the oldies. Carole Bayer Sager on her second act. Suicide by train. Facing death with dignity.

How LAX killed Surfridge ... Painter Phil Stein, Siqueiros assistant & friend ... Laurie Rubin dreams & sings in color ... commentators Brody & Rosenfeld ... Tattoo U?

Martians invade the US, terrorize, murder, and destroy! The complete 1938 "War of the Worlds" from Orson Welles' Mercury Theatre on the Air.

Amateur unearths US President Franklin Marshall ... the Green Book guided black motorists ... Yanow and Beer ... Instagram contest ... the love of K-Pop.