Gothenburg is Sweden's second largest city and is often referred to the American city of San Francisco. The similarity between the cities are the many bridges, hills, water, trams and seafood restaurants. The city is located in southwestern Sweden on the shores of the Kattegat and has Sweden's most important port and commercial center. In Gothenburg, there is something for everyone. Some of the main attractions Gothenburg offers are Kungsportsavenyn, Gothenburg Art Museum, Botanical Gardens, Natural History Museum, and the Gothenburg archipelago, which only can be reached by boat. Gotheburg has the most visited tourist attraction in Sweden, Liseberg amusement park, with millions of visitors each year.