Black and white photograph of two women and a man standing on a hill overlooking a lake.

Black and white photograph of a tree-lined path.

Black and white photograph of a field. Trees are visible in the background on the right side of the frame. A white structure is visible in the center of the image in the distance.

Black and white photograph of the front of a five-story building, looking down a busy street. Several store signs are visible, with the closest sign to the camera reading, "Fotografia Schlattman," and another visible sign further down the street…

Black and white photograph of five people, two men and three women, standing on a stone garden path in front of trees.

Black and white photograph of crowds of people standing in an intersection looking up at a five-story building.

Black and white photograph of a street from above. The side of a building with balconies and storefronts are visible across the street from the photographer. A sign of a store across the street from the photographer reads, "Sanborns." Automobiles and…

Black and white photograph of a mountainside with tiered ledges visible on the mountain in the right side of the frame.

Black and white photograph of a tree-covered mountain. The photographer is standing on a mountainside with a trench visible on the left of the frame with small trees and shrubs covering the area in front of them.

Black and white photograph of a mountain valley taken from Mexico road on a mountainside. A mountain range is visible in the background.

Black and white photograph of a village in Mexico. Small houses and trees are visible in a valley. Mountains can be seen in the background. A person is squatting next to a stone structure in the center of the image.

Black and white lantern slide of people in an outdoor market in Chapalhuacan, Mexico.

Black and white lantern slide of people in an outdoor market in Chapalhuacan, Mexico.

Black and white lantern slide of a street in Chapalhuacan, Mexico.

Black and white lantern slide of the unexcavated site of the Cholula Pyramid, with the Nuestra Senora de los Remedios Church in the background.

Black and white lantern slide of the Cholula Pyramid site, with a 132km marker next to the road side.

Black and white lantern slide of the Cholula Pyramid site, looking south.

Black and white lantern slide of the excavated terrace of the Cholula Pyramid site.

Black and white lantern slide of the steps of the Cuicuilco Pyramid taken from the base.

Black and white lantern slide of the stepped sides of the Cuicuilco Pyramid taken from the side.

Black and white lantern slide of cultivated mountain slopes in Mexico.

Black and white lantern slide of the Quijote Fountain in Mexico City.

Black and white lantern slide of the Quijote Fountain book cases in Mexico City.

Black and white lantern slide view down Saltillo Falls, looking east.