Not in the code, in the list of options when you go to that page of your site in the browser.
There should be two settings: Blog URL and Site URL.
You can also check the theme options and see what mode is being used for the logo, under the "Main -> Logo" tab of the theme options. If it's set to widget mode, then the logo is being controlled by a widget which is located in the "Logo" position.
Aha! I changed the logo defined in Theme Options --> Main --> Logo from Image Upload to CSS/Default. That did it! Another case closed. Thank you Tristan! - Trey