Visby is a charming town on the Swedish island of Gotland. It's most famous for its medieval city walls and church ruins. A UNESCO world heritage site, Visby is surrounded by its spectacular town walls built of limestone in the 13th century. Visit the Gotland museum to get an insight into the history of the island. Take a peek at the antiquities and artifacts dating back to 8000 years. Marvel at the architectural features of 13th century St. Mary's Cathedral (Visby Domkyrka) and St. Nicholas' Church. Take a hike in Hogklint Nature Reserve to view the stunning landscape of Visby and the serene Baltic Sea.