For a captivating history lesson, check out the crumbling remains of Saint Karins Ruins and try to imagine how it looked during its golden years.
You'll have no end of sightseeing choices when in Innerstaden. Saint Karins Ruins is a good place to begin here, but there are lots of other worthwhile sights to consider. DBWs Botanical Garden, Gotlands Art Museum and Visby Ringmur are near the once-important structure and will top off your day nicely.