Black and white photograph of a pyramid. A lower level is visible with a stone wall surrounding a stone building built into a hillside. A water tower is visible behind the building. Another building is visible is on top of a hill behind the first…

Black and white photograph of the interior of a section of the Cuicuilco Pyramid from above. A man holding a sombrero is standing in the center of the image, surrounded by plaster walls.

Black and white lantern slide of archaeologists Blom and Lehrer cutting through heavy underbrush near Chichen Itza.

Black and white photograph of a street from a second-floor balcony. A crowd of people are standing next to two automobiles parked on the street, with several people standing or sitting next to chairs at tables on one side of the street.

Black and white photograph of a tree-filled landscape intersected by roads taken from an airplane.

Black and white photograph of a horizon line with buildings and roads visible in the foreground.

Black and white photograph of an airplane which reads "X-ABC" on its wing and "62" on its tail. The image of the globe on a bird's wing is painted on the side of the aircraft. Three men are working on the plane, standing either on top of the plane or…

Black and white photograph of an airplane on an airstrip. Behind the plane is a crowd of people. The plane has "Correo Aereo" written on its left wing and "X-ABC" written on its right wing.

Black and white photograph aerial view of Campeche, Mexico

Black and white photograph of five people, three men and two women, next to a sign at the Merida School of Fine Arts.

Black and white photograph of four people, three men and one woman, at a southwestimming pool. The pool is between two buildings with palm trees lining a path to the pool. An advertisement painted on the side of a building reads, ""El Aguila" S.A."

Thatched roof home in a Mexican village.