1. A method of navigating a device to and imaging an area of interest in a branched structure comprising: using a first imaging modality to obtain at least one image of said branched structure; imaging at least one tracing element attached to a device in said branched structure using a second imaging modality; registering at least one image from said first imaging modality to at least one image from said second imaging modality; superimposing said at least one image from said first imaging modality and said at least one image from said second imaging modality; navigating said device through said branched structure by viewing a location of a real-time image obtained with said second imaging modality of said tracing element relative to said at least one image from said second imaging modality.