Since the first steel-framed high-rise building of the world was constructed in the city in 1885, Chicago has been known for its skyscrapers, and today boasts the world's tallest skyline. Many high-rise buildings are located in the downtown area, notably historic buildings such as the Chicago Board of Trade Building in the Loop with others along the lakefront and the Chicago River. The three tallest buildings in the city are the Sears Tower (also the tallest building in the United States), the An Center, and the John Hancock Center.
Along Lake Shore Drive, parks line the lakefront. The most notable of these parks are Grant Park and Millennium Park, which border the east end of the Loop, Lincoln Park on the north side, and Burnham Park and Jackson Park in the Hyde Park neighborhood on the south side. Interspersed within this system of parks are 31 beaches in Chicago, the Lincoln Park Zoo, several bird sanctuaries, McCormick Place Convention Center, Navy Pier, Soldier Field, the Museum Campus, and the Jardine Water Purification Plant.
Chicago is also home to a number of architecturally notable churches: Chicago Temple/First United Methodist Church which consists of a 22-story skyscraper surmounted by a steeple cross at 568 feet above street level making it the tallest church building in the world. The city is also home to three basilicas: Our Lady of Sorrows in Garfield Park, Queen of All Saints in Forest Glen, St. Hyacinth in Avondale.