the history of skyscrapers in the city began with the construction of the lumber exchange building, now also known as the edison building, in 1886; this structure, rising and 12 floors, is often regarded as the first skyscraper in minnesota and one of the first fire-proof buildings in the country. the lumber exchange building also stands as the oldest structure outside of new york city with at least 12 floors. minneapolis went through a small building boom in the early 1920s, and then experienced a much larger boom lasting from 1960 to the early 1990s. during this time, 24 of the city's 36 tallest buildings were constructed, including the ids center, capella tower and wells fargo center. the city is the site of ten skyscrapers at least in height, including three which rank among the tallest in the united states. , the skyline of minneapolis is ranked 16th in the united states and 74th in the world with 28 buildings rising at least in height.