IMO, and I could be wrong, but the drive from Minn/St Paul, other than the Mall of America in Minneapolis, has nothing of interest until you get to the Badlands, Custer STate Park, Crazy HOrse, Mt Rushmore area. Deadwood SD for a day and night, I found to be of interest.
Sinoatrial node is located at the junction of the superior vena cava with the right atrium.
Figure 1. . On cross section, the tricuspid valve is located obliquely behind the aortic valve which has the central position. The pulmonary valve is positioned anterior, superior and slightly to the left of the aortic valve [Video 1 and Video 2]. Video 1. Video 2.