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

Black and white photograph of a man standing among ruins. Several Mayan statues are visible in front of a stone wall.

Black and white photograph of seven people standing among ruins. Two Mayan statues are visible.

Black and white photograph of four people, two men and two women, standing in a forest.

Black and white photograph of six people standing on a Mayan temple.

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."

Black and white photograph of two women in front of a stone wall and palm trees.

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 nine people, seven men and two women, standing next to a railroad coach.

Black and white photograph of nine people, seven men and two women, in a cavern.

Black and white photograph of the back of Adivino (Pyramid of the Magician) in Uxmal.

Black and white photograph of the front of Adivino (Pyramid of the Magician) in Uxmal. A doorway is visible at the top of the pyramid with carvings on the surrounding walls.

Black and white photograph of mountain range taken from Adivino (Pyramid of the Magician) in Mexico

Black and white photograph of mountain range taken from Adivino (Pyramid of the Magician) in Mexico. Coordinates of several mountains are written in pencil on the photograph.

Black and white photograph of landscape of the southwest taken from Adivino (Pyramid of the Magician) in Mexico

Black and white photograph of landscape of the southwest taken from Adivino (Pyramid of the Magician) in Mexico. Landmarks, including Campo Santo Temple, are marked and labeled in pencil on the photograph.

Black and white photograph of landscape of the northwest taken from Adivino (Pyramid of the Magician) in Mexico. Part of the Adivino pyramid is visible in the image. Two stone walls are with carvings are visible.

Black and white photograph of a stone structure in a forest. A stone wall is visible with stone triangle formations repeating along the top of the wall. Another stone structure is visible in the distance.

Black and white photograph postcard of a stone structure from above with three walls visible. Another stone structure is visible in the distance and is labeled "Ruin" on the photograph. Another label on the image reads "Aguada Tree."

Black and white photograph postcard of a stone structure in a forest. A stone wall is visible with stone triangle formations repeating along the top of the wall. The structure is viewed at an angle.

Black and white photograph of landscape from the Adivino (Pyramid of the Magician). Four coordinates are labeled on the photo.

Black and white photograph of landscape of the west horizon taken from Adivino (Pyramid of the Magician) in Mexico. Part of the Adivino pyramid is visible in the image.

Black and white photograph of a stone structure from above, taken from Adivino (Pyramid of the Magician). A courtyard surrounded by four walls are visible in the image.

Black and white photograph of landscape from the Adivino (Pyramid of the Magician). Half of a stone structure is visible on the right side of the image. A dirt path can be seen leading to the ruins. Another stone structure is visible in the distance.