See all breakpoints in Visual Studio 2010+
Try Debug -> Windows -> Breakpoints.
Default Shortcuts:
To open the break point window: Ctrl+D, B
If you wanted to delete all breakpoints: Ctrl+F9
Ctrl+Alt+B in Visual Studio 2010.
Breakpoints window is not included in some Express versions of Visual Studio.
Its included in Pro, Premium, and Ultimate. Here is the manual for the versions : http://msdn.microsoft.com/en-us/library/02ckd1z7%28v=VS.100%29.aspx
Tools> Settings> Expert Settings