Beyond its main attractions of the Imperial Castle, St. Lorenz Church, and Nazi Trial grounds, there are 54 different museums for arts and culture, history, science and technology, family and children, and more niche categories, where visitors can see the world's oldest globe (built in 1492), a 500-year-old Madonna, and Renaissance-era German art. There are several types of tours offered in the city, including historic tours, those that are Nazi-focused, underground and night tours, walking tours, sightseeing buses, self guided tours, and an old town tour on a mini train. Nuremberg also offers several parks and green areas, as well as indoor activities such as bowling, rock wall climbing, escape rooms, cart racing, and mini golf, theaters and cinemas, pools and thermal spas. There are also six nearby amusement parks. The city's tourism board sells the Nurnberg Card which allows for free use of public transportation and free entry to all museums and attractions in Nuremberg for a two-day period.