I'll mention just one so as not to overwhelm you... A little known but fascinating way to spend an hour or so is to visit LaGuardia Airport and go to the far west end. Delta Airlines has a terminal there but the terminal is known as the Marine Air Terminal. It was the terminal building that originally served the huge Clipper Flying Boats flown by Pan American Airlines in the 1930's. The terminal has been restored and a controversial (for the times) mural painted entirely around the interior of the terminal (it's a round building) has been restored. The original Art Deco stainless steel chairs and tables in an adjoining cafe have been located and brought back. The cafe is operated by a loud and entirely New York Greek family... Food is great served cafeteria style. On the outside on the "surround" are restored Art Deco stainless steel dolphins and on the building just next door is a large styilized eagle, also in stainless. All original. If one walks around to the back of the terminal (on the side near the Eagle building) one can still see railroad tracks leading in to Bowery Bay which were used to tow the enormous (for the time) Clipper aircraft out of the water for maintenance. Photographs of Fiarello LaGuardia, who was mayor at the time, and all the luminaries opening the Terminal in early 1930's are in the cafe... Obviously, it greatly impressed me and doesn't take a lot of time...Welcome to the U.S., by the way....