Park Avenue is a major thoroughfare in New York City, known for its wide, tree-lined streets and elegant buildings. It runs through the borough of Manhattan, stretching from 42nd Street in the south to 138th Street in the north. The avenue is famous for its upscale residential buildings, luxury hotels, and corporate offices, making it a symbol of wealth and sophistication. Originally named Fourth Avenue, it was renamed in 1921 to reflect the development of the area. The avenue features a median strip with gardens and public art, providing a pleasant environment for pedestrians. It is also home to several notable landmarks, including the MetLife Building and the Seagram Building.