Thomas Alva Edison Memorial Tower and Museum completed by Tyler Kerekgyarto of Troop 12, based in Edison, NJ. The sign contains information about the museum, the website, and hours of operation. The sphere atop the tower has been called the ""world's largest light bulb"". Another famous sphere, the Union Watersphere, that has long been known as the ""world's tallest water sphere"" is located in nearby Union. Thomas Alva Edison Memorial Tower and Museum The Thomas Edison Center at Menlo Park, also known as the Menlo Park Museum / Edison Memorial Tower, is a memorial to inventor and businessman Thomas Alva Edison, located in the Menlo Park area
Menlo, Iowa Menlo, Iowa Menlo is a city in Guthrie County, Iowa, United States. The population was 353 at the 2010 census. It is part of the Des Moines–West Des Moines Metropolitan Statistical Area. Menlo was laid out in 1869. Menlo was first called "The Switch" and then "Guthrie Switch", but it was finally renamed Menlo in order to prevent confusion with Guthrie Center. Menlo is located at (41.522461, -94.405375). According to the United States Census Bureau, the city has a total area of , all of it land. As of the census of 2010, there were 353 people, 147 households, and