Omaha is the largest city in the state of Nebraska, United States, and is the county seat of Douglas County. It is located in the Midwestern United States on the Missouri River, about 20 miles (30 km) north of the mouth of the Platte River. A stop on the Lewis & Clark National Historic Trail, it's known for its pioneer history, museums and cultural centers.
The modern economy of Omaha is diverse and built on skilled knowledge jobs. In 2009, Forbes identified Omaha as the nation's number one "Best Bang-For-The Buck City" and ranked it number one on "America's Fastest-Recovering Cities" list. Tourism in Omaha benefits the city's economy greatly, with the annual College World Series providing important revenue and the city's Henry Doorly Zoo serving as the top attraction in Nebraska as well as being named the best zoo in the world by Trip Advisor in 2014.