Springfield is the third largest city in the U.S. state of Missouri. It is the county seat of Greene County. Springfield's nickname is the The Queen City of the Ozarks. It is also known as The Cultural Center of the Ozarks, The Gateway to the Ozarks, The Birthplace of Route 66, due to its connection with the designation of U.S. Route 66. In 2007, The Milken Institute ranked Springfield as a Best Performing City for creating and sustaining jobs, and Expansion Management magazine listed Springfield among Best Mid-Sized Metros for Recruitment and Attraction. Springfield National Cemetery, Landers Theatre, Jefferson Avenue Footbridge, Abou Ben Adhem Shrine Mosque and Christ Episcopal Church are some places of interest