Denver. Downtown Denver (specifically, the LoDO neighborhood) is a trendy spot with over 100 restored Victorian warehouses and buildings filled with art galleries, boutiques, local eateries and nightclubs.
El Paso. The Texas border hub launched efforts to revitalize its downtown in 2006, with the help of more than $700 million in government reinvestment.
Des Moines. Since 2000, more than $3 billion has been allocated to redevelop the Midwestern city's downtown.
Detroit. Detroit's downtown is transforming in large part thanks to billionaire Quicken loans founder Dan Gilbert who has poured millions into redeveloping the area's commercial real estate, relocating many of his businesses to the area.
7. Milwaukee -- "Brew city is simply solid on all of our criteria," writes Movoto Real Estate.
Pittsburgh. Downtown, class A office space as of the third quarter of 2012 was 94.5% leased, compared to 85% a decade earlier.
Cincinnati. Downtown has been transforming its downtown hub since the 1990s, with an estimated $1.3 billion invested in projects currently in construction or planning stages.
Grand Rapids, Mich. Since the mid-1990s, the small Michigan city has drummed up billions in public-private funding.
Birmingham. The number of residents downtown has increased 32% since 2000, with 737 planned units in the construction pipeline.
Memphis. Home to Beale Street, downtown Memphis has welcomed a flurry of redevelopment projects over the past few decades.
Atlanta. Since 2007, downtown Atlanta has welcomed $2.9 billion in investment plus an additional $182 million in public funding for infrastructure.
Cleveland. Cleveland began revitalizing its downtown in the mid-1990s and today, more than $3.5 billion is currently invested in furthering the area's redevelopment.
New York. The country's largest city has poured more than 430 billion in public and private reinvestment into Lower Manhattan, the square mile encompassing the World Trade Center and Wall Street, since 2001.
Los Angeles. Los Angeles recently approved plans for a massive $1 billion-plus renovation that will yield an NFL stadium. It's the latest initiative in a redevelopment pipeline that kicked off in the 1990s.
To read more about these emerging downtowns, visit Forbes.com.
Take a look at the 10 fastest-growing metro areas here.