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

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

Photograph of girls riding bicycles on the street in front of an entrance to HemisFair '68, in downtown San Antonio, Texas. Many of the people standing outside of the fair's gates are watching the riders pass by. The central concrete shaft of the Tower of the Americas is visible in the background.

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.

Black and white photograph of show skiers Bonnie and Charlie Porter, posing for a publicity photograph. Charlie Porter is propping up a single water ski on his left side, and Bonnie Porter is propping up a single water ski on her right side. The words "Joe Cash Ramp King" are visible on the skis. Charlie Porter is wearing a dark suit and tie; Bonnier Porter is wearing a one-piece bathing suit and a small tiara.

Postcard from the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas. The illustration on the card shows a mustachioed grinning character wearing a sombrero with the word "Bravo" above it.

Special issue of the Lone Star Brewing Company newsletter, focused on HemisFair '68, with information about facilities, attractions, exhibits, and participants. It also contains information regarding the Company's distribution and other updates.

Photograph of a brightly-colored carnival ride called the Calypso, that has both heart shaped windows and curls with vanity lights. The ride is made of round containers that are large enough for 4 people with an umbrella in the center. They revolve independently while going up and down at angles for the length of the ride.

An artistic sketch of people outside of the Canada Pavilion at the 1968 World's Fair. This illustration shows the exterior of the one-story brick building, with abstract sculptures outside.

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.

A model of the Canada Pavilion at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas. Canada was one of more than 20 nations to have pavilions at HemisFair '68. Viewers of this model can peer in and see what is inside the pavilion. There is a display of the flags of the Canadian provinces along with other exhibits.

Photograph of school children and several accompanying adults posing inside one of the office buildings at HemisFair '68 for a group picture.

Photograph of choir members wearing long robes, posing in the shape of a treble clef in a grassy field. Stamped on the back: "D. Neil Darnell. First Baptist Church, 1200 9th Street, Wichita Falls, Texas 76301."

Photograph of an architectural illustration of people outside the Church of Jesus Christ of the Latter-Day Saints pavilion at HemisFair '68. It is a one-story stone building with two glass doors on either side of the building's name. The entryway is paved and there are planters and vegetation around the building. Printed in the lower-right corner: "HemisFair '68. Information Center. The Church of Jesus Christ of Latter-Day Saints."

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.

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

Photograph of people standing and sitting in an open area outside of the Coca Cola pavilion at HemisFair '68. Two carriages from the Swiss Skyride are passing directly over the area.

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.

Photograph of a three-dimensional model of the Coca-Cola Pavilion at HemisFair '68. It is a round building with the Coca-Cola logo in the center of the roof with a raised, semi-circular section behind the left side where there are multi-colored flags flying from the top. There are many trees grouped around the sides of the building.