Photograph of female actors in a play at HemisFair '68, including two adult actors standing to the left -- one wearing a tiger-like costume and the other dressed in an oriental-patterned robe. A small group of child actors are kneeling in the background to the right, and some are wearing Oriental-type dresses.

Aerial photograph looking straight down on the HemisFair site before it opened. Visible buildings in the fairgrounds include the roofs of the circular United States Exhibit Pavilion and Confluence Theater (right of center); the Texas Pavilion is in the back middle ground; and the Convention Center, Theater, and Arena buildings (left of center). The top of the Tower of the Americas is visible in the center with the tower itself casting a long shadow toward the left. A San Antonio public housing development is visible across the highway from the Texas Pavilion.

Photograph of downtown San Antonio, Texas with the partially-constructed central concrete shaft of the Tower of the Americas (without the tophouse) and the HemisFair Arena visible in the background. A highway interchange is visible in the foreground, at the bottom of the image. The Tower of the Americas and the HemisFair Arena were constructed for HemisFair '68.

Oblique aerial view of the HemisFair '68 site near the completion of construction, including the Tower of the Americas (center-right) which has a crane working on the observation structure at the top. Other buildings in the fairgrounds are visible, including the Arena (center) and the United States Exhibit Pavilion (left foreground), which are both circular buildings. Portions of downtown San Antonio, Texas can be seen in the background.

Photograph from a helicopter of the HemisFair '68 site in San Antonio, Texas, a few weeks from opening day. Prominent structures include the 622 foot high Tower of the Americas (center-right), the United States Confluence Theater and United States Exhibit Pavilion at left foreground, and the Convention Center, Arena, and Theater in mid-ground. Downtown San Antonio buildings are visible behind the fairgrounds.

Aerial photograph of the HemisFair '68 site, looking east, with downtown San Antonio visible in the background, to the right. The Tower of the America is in the center of the image; other buildings on the fairgrounds include the 10,500-seat Arena, the Convention Center, and Theater (at right) as well as the circular United States Confluence Theater and Exhibit Pavilion (at left).

Oblique aerial photograph of the HemisFair '68 fairgrounds and downtown San Antonio buildings behind it. The Tower of the Americas is visible in the center of the image and the circular HemisFair Arena is visible to the right of the tower's base.

Aerial photograph of the HemisFair '68 site, including the 622-foot Tower of the America in the center; the 10,500-seat Arena, the Convention Center, and Theater to the right; and the circular United States Confluence Theater and Exhibit Pavilion at left. Buildings of downtown San Antonio, Texas are visible in the background.

Aerial view of the HemisFair '68 construction site where a number of prominent buildings are incomplete, including The Tower of the Americas and the HemisFair Arena in the center of the image. Buildings of downtown San Antonio, Texas are visible in the background.

Aerial view of the HemisFair '68 construction site, including partially completed buildings that will be the Institute of Texan Cultures, the Tower of the Americas, and the HemisFair Arena in the center of the image. Buildings of downtown San Antonio, Texas are visible in the background.

Photograph of the Tower of the Americas near the completion of construction. The tophouse has been attached to the top, but is lacking its interior structures. Other buildings and construction for HemisFair '68 are visible in the vicinity of the tower.

An artistic illustration of people walking around the Beethoven Hall building, as a part of HemisFair '68.

Image of Boat rides near the Texas Pavilion at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio.

A close-up profile view of Bob Hope speaking to or entertaining a group of people. Bob Hope was one of the entertainers who performed in the convention center theater at HemisFair '68.

Image of Bolivia Pavilion at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Image of the Bolivia Pavilion at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Image of the Canada Pavilion at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

A colorful conceptual sketch of the interior of the Canadian Pavilion. In the illustration, a kayak is shown on display, and in the lower left corner is a native Canadian dressed in winter clothing. Canada was one of almost thirty countries participating in HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Photograph of an artistic illustration of people around the Coca-Cola Pavilion at HemisFair '68. It is a large, round building with multi-colored flags flying from a taller segment of the building at the back. A waterway is visible in the foreground, along the right side of the building and a lagoon cruise boat is passing alongside the pavilion.

Artistic illustration of people outside the Coca-Cola pavilion at HemisFair '68 as well as a waterway with a lagoon boat at right. The pavilion presented the puppets of Sid and Marty Krofft in a special play called Kaleidoscope in a 500 seat theater.

Photograph of a graphic illustration of a scene from Sid and Marty Krofft's puppet production, Kaleidoscope. The scene shows a cow dressed as a ballerina jumping over the moon, and several other unusual looking characters. Kaleidoscope was presented in the Coca-Cola Pavilion at HemisFair '68.

Image of the Colombia Pavilion at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Image of the Conference at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Artistic illustration of the San Antonio Convention Center, viewed from above at the corner of two major streets. The HemisFair theater and arena buildings are partially visible behind the main building and a portion of the Riverwalk is visible on the right side of the image, along one of the strets.