Where does the skyline into the mayo clinic end

I was told In order to get to mayo clinic you need to use the underground subway

The skyline connects to only certain buildings. The subway connects to the Clinics main buildings as well as most hotels. Keep in mind, the subway into the clinic shuts down daily at 5:30 or 6:30 and closed all weekend. This means if you want to get around town you'll have to use ground level sidewalks/streets.