Indianapolis is the capital of the U.S. state of Indiana, It is one of two state capitals that shares its name with its state (The other is Oklahoma City).For much of its history, Indianapolis oriented itself around government and industry, particularly manufacturing. Today, Indianapolis has a much more diversified economy, contributing to the fields of education, health care, and finance. Tourism is also a vital part of the economy of Indianapolis, and the city plays host to numerous conventions and sporting events. Of these, perhaps the most well known is the annual Indianapolis 500 mile race. The city is second only to Washington, D.C., for number of monuments inside city limits. American Legion National Headquarters, Lockerbie Square and Crown Hill Cemetery are some Heritage & History Attractions. Slippery Noodle Inn, Holcomb Gardens, Garfield Park Conservatory and Sunken Gardens and Indianapolis Zoo are other places of interest.