Stone carving at one of Mexico's ancient ruins at Chichen Itza.

Sitting on the snakehead carvings at Chichen Itza.

The Santa Prisca church and surrounding buildings in the town of Taxco in Mexico.

Santa Prisca church in town of Taxco in Mexico.

Black and white lantern slide of the ruins of a hacienda in the Catarpe Valley near San Pedro, Mexico.

Black and white lantern slide of the domes of the Convento del Carmen in the town of San Ángel, Mexico.

Black and white lantern slide of Saltillo, Mexico.

Black and white lantern slide of two automobiles on dirt road near Saltillo, Mexico. One of the cars appears to be stuck and is surrounded by a small group of people.

Black and white lantern slide of a stream of water along a street in Saltillo, Mexico.

Ruins of the Temple of the Feathered Serpent at Teotihuacan.

Ruins of the Temple of the Feathered Serpent at Teotihuacan.

Ruins of the Temple of the Feathered Serpent at Teotihuacan in Mexico.

Robert Annis filming from deck of ship on Mexican trip with D.J. Angus.

Black and white lantern slide of Mexican mountainsides taken from the roadside.

Black and white lantern slide of Mexican mountainsides taken from the roadside.

Town near the Rio Frio, a river between Puebla and Mexico City.

Black and white lantern slide of Quetzalcoatl sculptures at Teotihuacan.

Color lantern slide of Robert Merrill and a guide standing in front of Quetzalcoatl sculptures on the pyramid in Teotihuacan, Mexico.

The ancient city of Teotihuacan is the most visited of Mexico's archaeological sites. Pyramid of the Sun, the largest building in Teotihuacan, found along the Avenue of the Dead, in between the Pyramid of the Moon and the Ciudadela. It is the third…

The ancient city of Teotihuacan is the most visited of Mexico's archaeological sites. Pyramid of the Sun, the largest building in Teotihuacan, found along the Avenue of the Dead, in between the Pyramid of the Moon and the Ciudadela. It is the third…

Pyramid of the Sun at Teotihuacan.

View of Pyramid of the Sun at Teotihuacan from base.

Pyramid of Chichen Itza is a large pre-Columbian archaeological site in Yucatan, Mexico built by the Mayan civilization.

Black and white lantern slide of Puerto Palomas, Mexico.