It's mostly offices. Lots and lots of them. In fact, it's the largest business district in America. It also contains the shopping bits of Fifth Avenue, Rockefeller Center, the Empire State Building, Times Square, and other touristy things you will think yourself well above visiting by the time you leave Columbia.
Unfortunately, once you leave Columbia, you will likely be forced to sell out and work in an office building here anyway.
When someone says they work on Wall Street, they usually actually work in Midtown.
- See main article: Midtown campus
From the 1830s to the 1890s, Columbia's campus was in Midtown. The original Hamilton Hall was located on Madison Avenue and was, along with other campus buildings, designed in the Gothic Revival style. When the cost of land under Columbia's campus grew and room to expand shrunk, the university moved uptown to Morningside Heights.