It is 152 ft tall and stands on a 150-foot pedestal. The Sears Tower in Chicago is, at 1,450 ft, the tallest building in the United States. Constructed between 1974 and 1976 for Sears, Roebuck and Company, the structure is composed of 75-foot square tubes that rise to varying levels. The Gateway Arch, located on the riverfront in St. Louis, Mo., is a tapered curve of stainless steel rising to 630 ft. The tallest manmade memorial in the United States, the Arch was designed by Finnish-born U.S. architect Eero Saarinen and built between 1963 and 1966.
Visitors can ride to the top in specially devised capsule-like tram cars.
From 1927 until his death in 1941, Borglum worked on chiseling the 60-foot likenesses of Washington, Jefferson, Lincoln, and Theodore Roosevelt. His son, Lincoln, finished the sculpture later that year. San Francisco's Golden Gate Bridge, completed in 1937, is one of the most recognizable structures in the United States. Designed by Joseph B. Strauss, this elegant suspension bridge has a main span of 4,200 ft. The Needle, which is 605 ft tall, is topped by an observation deck and a revolving restaurant.