The midtown blocks between 34th and 59th Streets were largely a residential area until the turn of the 20th century, when they were developed as commercial areas. The section of Fifth Avenue in the 50s is consistently ranked among the most expensive shopping streets in the world, and the section between 59th and 96th Streets across Central Park was nicknamed "Millionaire's Row" in the early 20th century due to the high concentration of mansions there. A section of Fifth Avenue running from 82nd to 110th Streets, also alongside Central Park, is also nicknamed Museum Mile due to the large number of museums there.