An overhead view of a parade procession celebrating Howard Hughes' completion of his round-the-world flight.

An overhead view of a parade procession celebrating Howard Hughes' completion of his round-the-world flight.

Typed onto a piece of paper attached to the image: "Howard R. Hughes boarding airliner for Washington. 7/20/38."

A candid photograph of Howard Hughes at Grover Whalen's house.

A close up of Howard Hughes, at Grover Whalen's house.

The black and white view of the Lockheed 14 aircraft in Minneapolis, Minnesota. Description written on back of photograph: "World-fame drops on City out of blue, sunny skies: Fame came to the municipal airport and the city of Minneapolis in a flash of silver and a roar at 7:38 am, July 14, 1938 when Howard Hughes swooped to Earth in his Droning Silver Bullet on his record breaking round-the-world flight. Photo-courtesy "The Minneapolis Star" Board of Park Commissions. 325 City Hall Minneapolis Minn."

A view looking down Broadway during the parade procession to celebrate Howard Hughes' completion of his round-the-world flight.