Mexico, Oaxaca, Mitla archaeological site, Detail of stone geometric mosaics on the Templo de las Columnas.

Mexico, Veracruz, Papantla, El Tajin archaeological site, Archaeologists at work at Tajin Chico with Pyramide de lo Nichos beyond.

Mexico, Veracruz, Papantla, El Tajin archaeological site, Pyramide de los Nichos with tourist couple in middle foreground.

Mexico, Veracruz, Papantla, El Tajin archaeological site, Pyramide de los Nichos.

Mexico, Puebla, Cholula, Church of Neustra Senor de los Remedios on tree covered hillside above the pyramid ruins.

Belize, Altun Ha, The Temple of Masonry Altars in Plaza B of the Mayan ruins, A large carved jade head of the Mayan sun god Kinich Ahau was found in the temple, Tourists climbing stairway and atop the...

Belize, Altun Ha,Tourists in front and on top of the Temple of Masonry Altars in Plaza B of the Mayan ruins, A large carved jade head of the Mayan sun god Kinich Ahau was found in the temple.

Scotland, Borders, Jedburgh Abbey ruins dating back to th 9th century.

Scotland, Borders, Dryburg, Abbey ruins dating from the 12th century ad.

Scotland, Borders, Dryburg, Abbey ruins dating from the 12th century ad.

Scotland, Borders, Dryburg, interior of the Abbey ruins dating from the 12th century ad.

Scotland, Borders, Dryburg, Abbey ruins dating from the 12th century ad.