This is an overview of the gift shop serving the attraction known as Aquarena. It is part of the larger theme park of the time known as Aquarena Springs.
The description states:
AQUARENA, San Marcos, Texas. Interior view of Aquarena’s famous Souvenir Shop. This is one of the Southwest’s most outstanding tourist shops and is unsurpassed in architectural beauty.
-The shop served the larger theme park, which was closed in the 1980s when the area was converted into a conservation site and program.
This card was used and is dated 3 July 1962.