Blueplate Lunch Counter (Portland, Ore.) • Donn's Hilltop-Kodiak Grill (Boise, Ida.) • La Camaronera (Miami, Fla.)Guy Fieri checks out some places keeping the feel of the past alive: In Idaho, the local landmark brought back to life, where they're dishing up big plates; In Portland, the old-time lunch counter where folks love the grilled cheese and home-made tomato soup. And in Miami, the family joint doing seafood the way their grandparents did back in Cuba.