Highlights

• Discover why Visby's three kilometre medieval wall was built against fellow Gotlanders, not foreign invaders

• Hear about a Lübeck friar who bought two waterfront brothels just to expand his church choir

• Spot a Khazar silver coin reading 'Moses is the messenger of God' that reached Gotland by the Volga trade route

• Stand on the burial field where the city gates stayed bolted while their countrymen were cut down outside

• Find the craft brewery that copied a medieval ruin's arches onto its bottles and helped launch Sweden's modern beer scene