Well.... My favorite place is my most comfortable place, and that's in the house. Generally in a computer chair near a window, playing video games, watching TV or attempting and failing to smoke while I do both.
I love, love, love smoking around large, inland bodies of water and at high altitudes around hiking trails. Mountaintop smoking is so blissful, man. My problem with that is I get paranoid when I'm smoking in public. Not socially paranoid, but legally paranoid. I always feel like I've got police right around the corner, or a camera set up in the trees where I'm smoking, or some people may've seen me on my trek, thought I looked suspicious and called the cops.
I've really, really gotta get that whole paranoia thing under wraps. It's pretty much non-existent when I smoke in the house, though. Probably stems from some subconscious guilt I've always felt about my habits.... Eh.... now's not the time to play armchair psychologist, though....