An aerial drawing of the Tower of the Americas and HemisFair '68 fairgrounds. Printed at the bottom of the image: "Tower of the Americas - Dominating the center of the 92-acre site of HemisFair 1968 in San Antonio will be this 622-foot tower. From the revolving restaurant and observation levels, 1,750 visitors an hour will view the surrounding countryside. The Texas World's Fair opens April 6, 1968."

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

Several pages of information about the Tynan House, which was one of the historic houses on the HemisFair '68 site. It was built in the 1860s and located at 117 Goliad Street. Included in this 4 page set is a drawing of the front of the house, and a map showing its location on the HemisFair site.

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

Illustration of building and outside scenery at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Illustration detailing large open sidewalk area leading to a Hemisfair building with tower in background.

Illustration of outdoor scene with people congregated near Hemisfair buildings with flags and balloons at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Illustration of Hemisfair building, covered patio, outside scenery at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

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

An artistic illustration of fair visitors outside a building on the HemisFair '68 fairgrounds. The shaft of the Tower of the Americas is partially visible at right through a tall tree.

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

An artistic bird's-eye view illustration of the HemisFair '68 waterways. A Ferris wheel, one of the amusement rides at the fair, is visible near the center and boats are at various points around the waterways.

An artistic illustration of buildings on the HemisFair '68 fairgrounds. The buildings are box-like, quite tall and all in the same light brown color. The illustration shows fair visitors strolling among the buildings.

Illustration of the Convention Center and the San Antonio River at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Image of the Hall of the Legacy, Principal HemisFair Theme Exhibit at the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio.

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.

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

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

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.

Drawing of the Korean Pavilion at HemisFair '68. Drawing includes the Korean flag and people touring the grounds.

An artistic illustration of the General Electric Pavilion at HemisFair '68, a round, one-story building with a decorative zig-zag roof design and several large rooms extended out from the main pavilion. A tall sign with the GE logo is out in front of the building and people are walking in the vicinity.

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.

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."

An artistic illustration of the Woman's Pavilion at HemisFair '68. The four main themes exhibited in the pavilion were beauty, the mind, heart and emotion, and work, and served as a tribute to the contributions women have made to culture and civilization in the western hemisphere.