Visby Cathedral, also known as St. Mary's Cathedral, is a prominent landmark in Visby, offering a glimpse into the town's medieval history. The cathedral is generally accessible, though some areas might have limited access for those with mobility issues. Exploring the cathedral can be done solo, allowing for a personal experience, or as part of a guided tour to gain deeper insights into its history and architecture. There are typically no seasonal restrictions, but it's wise to check opening hours in advance, especially during off-peak seasons. Entrance to the cathedral is usually free, but donations are appreciated. A typical visit lasts about 1-2 hours, providing ample time to admire the architecture and soak in the atmosphere. Photography is generally permitted, but flash photography might be restricted. The surrounding area is also worth exploring, with its well-preserved medieval walls and charming streets.