Photograph of people getting on or off a water ride at an amusement park. The wait line wooden shelter is constructed like a multi-level deck with wooden hand railing and a roof made out of grass like material making the structure resemble a tiki hut. Several groups of people are getting on round wooden looking boats that may hold several people.

Photograph of several groups of people in an area of an amusement park, walking through a tunnel made out of wire fencing that protects them from the gondola sky ride area that is partially visible behind them on the left side of the picture.

Photograph of several groups of people in an area of an amusement park, walking through a tunnel made out of wire fencing that protects them from the gondola sky ride area that is partially visible on the left side of the picture. There are vines along the right side of the fence and yellow flowers lining the left side of the paved walkway as well as a grouping of wooden benches in the background, to the right.

Photograph of several groups of people walking through a wire fenced tunnel, covered with vines on the left side. This passageway protects the patrons from the gondola sky ride area, visible on the right side of the image, including several red-and-white gondolas.

Photograph of people walking near an amusement park exhibit labeled "La Salle's Adventure," which includes a jungle-type fortress in the left side of the walkway. A sky ride gondola is also visible in the background close to the top of the image. One person on the walkway appears to be wearing a gondolier costume.

Photograph of several small groups of people walking through a paved garden area of a theme park, including beds of flowers, shrubs, trees, and a flag pole to the left and back. There is a white and orange fabric structured pyramid in the center that towers over the walkway starting just above the gardens flower bed walls. There are benches, a newspaper vending machine, and a trash can on the left side of the walkway, as well as decorative poles around the edges.

Photograph of several groups of people walking through a tunnel made out of wire fencing in an area of an amusement park. The right side of the fence has vines providing shade along the paved path while on the left side there are trees and shrubs several feet away. A man and small boy are next to a small wooden fenced area housing trash cans at the left side of the image.

Photograph of a walkway overlooking a rock cave tunnel covered in greenery where some visitors are on a boat that may be part of a park adventure ride. In the lower right hand of the picture you can see wooden railing and a wooden pole that seems to be holding up a thatched roof. A partial view of a dock can be seen on the lower left hand of the image.

Photograph of a paved walkway bordered with low, orange brick walls at an amusement park. At left, the landscaping includes tall plants and trees; toward the right, there is a tree ringed by yellow flowers in front of a one-story building with a Spanish-style tile roof.

Photograph of people embarking and disembarking two large boats that are part of LaSalle’s Riverboat Adventure at Six Flags over Texas. The waiting area at the left part of the image is designed like an old wooden outpost and is decorated with palm trees and wooden barrels, with a dock where visitorsare lining up. The background of the outpost is overflowing with trees and lush foliage.

Image of Model-San Antonio River with barge of the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio.

Image of Model-San Antonio River with barge of the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio.

Image of Model-San Antonio River with barge of the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio.

Image of a Model-San Antonio River with barge of the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio.

Image of Model-San Antonio River with barge of the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio.

Image of a Model-San Antonio River with barge of the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio.

Image of a Model-San Antonio River with barge of the 1968 World's Fair known as HemisFair '68, held from April to October 1968 in San Antonio, Texas.

Photograph of people at the State Fair of Texas, in Dallas, taken during a planning trip for HemisFair '68. In the foreground, a boy is eating cotton candy, and in the background a Ferris wheel and a portion of the Cotton Bowl stadium are visible.

Photograph of people at the State Fair of Texas, in Dallas, taken during a planning trip for HemisFair '68. There are several types of amusement rides visible in the background, including an aerial cable car.

Photograph of Skyride drive station shelter at an unidentified amusement park, taken during a planning trip for HemisFair '68. The mechanical drive of the ride and the main area where guests got on and off of the ride are partially visible behind barriers.

Photograph of people walking at an amusement park, with a merry-go-round filled with riders in the background. The merry-go-round is covered with a canopy and has horse statues fixed to poles for its riders. This photograph was taken during a planning trip for HemisFair '68.

Photograph of people waiting in line at a park to enter an amusement attraction, taken during a planning trip for HemisFair '68.

Photograph of a rest area in a park, filled with plants and shrubs in large planters and benches shaded by canopies. Two people are visible in the background, sitting on one of the benches underneath a canopy. This photograph was taken during a planning trip for HemisFair '68.

Photograph of landscaping at an amusement park, including a grassy area with a few small trees and several scattered circular red-brick flower beds, as well as a small pond with a fountain at the center. In the background there are people walking on a sidewalk and others sitting on benches. This photograph was taken during a planning trip for HemisFair '68.