A black-and-white photograph of an artistic illustration of downtown San Antonio during HemisFair '68. Prominent buildings of the fair visible include the Tower of the Americas, the Convention Center and Arena, the United States Confluence Theater, and amusement rides. Fireworks and search lights are lighting up the night sky. The San Antonio landmark, the Alamo, is illustrated in the lower left-hand corner.

Photograph of several people involved with the planning of HemisFair '68 posing beside an airplane, including airline flight attendants holding up sculpted "2" and "4" numbers. A man is helping one of the flight attendants position the number "4".

Photograph of two men working near a large spiral-shaped metal track that could be a portion of a roller coaster or a construction structure. The Tower of Americas is visible in the background.

Photograph of the 622 foot Tower of Americas and four carriages from the Swiss Skyride passing in front. The Swiss Skyride was one of the forms of transportation at HemisFair '68, and it carried visitors 80 ft. above the ground.

Photograph of people riding in a lagoon boat alongside the Mini-Monorail as they pass by the Plaza of Flags at the 1968 World's Fair. Other people are walking in the plaza, where a number of international flags are flying on individual poles.

Photograph taken from below the 622 foot Tower of the Americas, constructed for the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio.

George H.W. Bush (Texas House of Representatives) and Gov. Nelson Rockefeller of New York in front of the monorail at the 1968 World’s Fair known as HemisFair ’68, held from April to October 1968 in San Antonio. The Swiss-Sky ride gondolas, and the Tower of the Americas can be seen in the background.