Greater Houston encompasses a number of cities full of historic sites, beaches and western charm. While in Houston, many different destinations are available, from the American Cowboy Museum to the Downtown Aquarium to the Johnson Space Center. Galveston, a popular day trip, features attractions such as the Moody Gardens and the home port for the Carnival Cruise Line. Just north of the city is one of the country's largest outdoor markets, Traders Village, as well as Mother Nature's sanctuary, Mercer Arboretum. Families can head to Baytown, which offers access to a number of beaches and area attractions, including Evergreen Point Golf Course, Galveston Island and Six Flags Astroworld, just to name a few. The unique town of Sugar Land was built and developed around the sugar industry and features an array of historic buildings. Pasadena and Conroe are two other cities among many that make up the metropolis surrounding Houston.