Black and white photograph of a mountain landscape.

Black and white photograph of a field of grass in front a forest.

Black and white photograph of trees on a hill with field grass and rocks in the foreground of the image.

Black and white photograph of a forest landscape looking south from Sayil. Mountains are visible in the distance.

Black and white photograph of a small grass-roof hut with an automobile parked beside it in front of a forest. Mountains are visible in the distance.

Black and white photograph of a forest landscape looking west from Sayil. Mountains are visible in the distance.

Black and white photograph of a forest landscape with several mountains looking north from Sayil.

Black and white photograph of a stone stele. The stone is split into two pieces.

Black and white photograph of several broken stele on a hill in Sayil.

Black and white photograph of several pieces of broken stele stones with carvings on them laying on the ground.

Black and white photograph of a broken stele, or carved stone monument laying on the ground in Sayil.

Black and white photograph of a broken stele, or carved stone monument laying on the ground in Sayil.

Black and white photograph of a stele, or upright carved stone monument, laying on its side in Sayil.

Black and white photograph of landscape from the Adivino pyramid. The ruins of a stone building are visible on the right side of the image. Six coordinates are labeled on the photo.

Black and white photograph of six ruins of Mayan architecture surrounded by forest, taken from Adivino (Pyramid of the Magician) in Uxmal.

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.

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

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 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 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 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 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.