Pizzeria Luigi (San Diego, Calif.) • Di Pasquale's (Baltimore, Md.) • Lo Bello's (Coraoplis, Pa.)

Guy Fieri checks out classic Italian joints including a Baltimore deli making lasagna from scratch, in San Diego, a pizza joint where the dough's handmade and in Pittsburgh, a spaghetti house that's been cookin' up classic family recipes for 60 years.

Sophia's Place (Albuquerque, N.M.) • Magnolia Cafe (Austin, Tex.) • Glenn's Diner (Chicago, Ill.)

Guy Fieri discovers outrageous food at some unlikely joints: an Austin, TX., Diner puttin' gingerbread in their pancakes, a Chicago neighborhood place servin' homemade Szechuan sauce on chicken wings; and in Albuquerque, a little shack makin' duck enchiladas.

Ruth's Diner (Salt Lake City, Utah) • O'Rourke's Diner (Middletown, Conn.) • Parasol's Restaurant & Bar (New Orleans, La.)

Guy Fieri hits some spots viewers recommended including: In Salt Lake City, a 79-year-old diner serving Mile High biscuits and gravy; in New Orleans, a neighborhood dive puttin' out roast beef po' boys; And in Middletown, CT., a historic diner serving unexpected favorites that was rebuilt after a fire.

Tommy's Joynt (San Francisco, Calif.) • Joe Tess Place (Omaha, Neb.) • Big Jim's (Pittsburgh, Pa.)

Guy Fieri checks out places the locals have been loving for decades: In San Francisco, a classic joint that's made fresh-carved hot meat sandwiches for more than 60 years; in Omaha, an 80-year-old tavern turned fish market and in Pittsburgh, a family place making Italian American favorites for more than 40 years.

Valencia Luncheria (Norwalk, Conn.) • The Original Vito & Nick's Pizzeria (Chicago, Ill.) • Emily's Lebanese Delicatessen (Minneapolis, Minn.)

Guy Fieri discovers real deal dishes born elsewhere: In Connecticut, a small place making authentic Venezuelan fast food. Then in Minneapolis, a Lebanese restaurant serving all of Mom's favorites like lamb tongue. And in Chicago, a pizza joint famous for its thin crust pies.

Pat's BBQ (Salt Lake City, Utah) • Blow Fly Inn (Gulfport, Miss.) • Tune-Up Cafe (Santa Fe, N.M.)

Guy Fieri uncovers some places the regulars keep piling into: In Santa Fe, a little café serving El Salvadoran specialties; In Salt Lake City, a barbeque joint where folks line up for the house special -- burnt ends. And on the Mississippi coast, a joint on stilts where they re doing Creole favorites.

Hob Nob Hill (San Diego, Calif.) • Tufano's Vernon Park Tap (Chicago, Ill.) • The Silver Skillet (Atlanta, Ga.)

Guy Fieri visits some joints that feel like they ve been there forever; In San Diego, an overgrown coffee shop serving chicken & dumplings for 60 years; A bar turned restaurant in Chicago s Little Italy and in Atlanta, a diner legendary for southern breakfasts for more than 50 years.

Standard Diner (Albuquerque, N.M.) • Dell Rhea's Chicken Basket (Willowbrook, Ill.) • Salsa Brava (Flagstaff, Ariz.)

Guy Fieri takes an eastward tour of Route 66. In Arizona, a family style restaurant serving scratch made southwest favorites. In Albuquerque an old gas station turned diner making classics. And near Chicago, a joint that s been serving fried chicken on Route 66 since the 30's.

Green Mesquite (Austin, Tex.) • Gorilla Barbeque (Pacifica, Calif.) • Wilson's Holy Smoke BBQ (Fairfield, Conn.)

Guy Fieri heads all over the country for barbeque; In Austin, green mesquite smoked classics. In Northern California, a railroad car turned barbeque shack making Philly Cheese Steaks. And in Connecticut, a regional celebration of barbeque.

Cecilia's Cafe (Albuquerque, N.M.) • Joey K's Restaurant & Bar (New Orleans, La.) • Kelly O's Diner (Pittsburgh, Pa.)

Guy Fieri drives in for a taste of what the locals love; In New Orleans, a family restaurant serving specials named after neighborhood streets; In Pittsburgh, a strip mall joint making Polish Haluski; And in Albuquerque, a local dive serving authentic New Mexican cooking.

Super Duper Weenie (Fairfield, Conn.) • California Tacos (Omaha, Neb.) • Bert's Burger Bowl (Santa Fe, N.M.)

Guy Fieri tracks down fast food done right: In Santa Fe, a 54 year-old drive-in that s legendary for Green Chile Cheeseburgers. In Omaha, a taqueria where they're deep-frying tacos. And in Connecticut, the hot dog joint that started as a truck, with all kinds of scratch made combo dogs.

Giusti's (Walnut Grove, Calif.) • Haus Murphy's (Glendale, Ariz.) • Louie's (Fort Worth, Tex.)

Guy Fieri takes a seat at the family table; In Arizona, a German restaurant making sauerbraten from scratch; In Northern California, an old saloon serving lamb shanks; And in Fort Worth, a Texas institution where a couple of brothers are dishing up all the classics they grew up with in Illinois.