Hilton Boston Park Plaza - Credit: Wikimedia Commons
The Hilton Boston Park Plaza is a historic hotel in Boston, Massachusetts, United States, opened on March 10, 1927. It was built by hotelier E.M. Statler as part of his Statler Hotels chain. A prototype of the grand American hotel, it was called a "city within a city" and also contains an adjoining office building. It was the first hotel in the world to offer in-room radio in every room. Read more on Wikipedia
Source: en.wikipedia.org