El Caracol (the Snail), Observatory, Chichen Itza, UNESCO World Heritage Site, Yucatan, Mexico, North America

AMERICAN • ANCIENT CIVILIZATION • ANCIENT CULTURE • ANCIENT • ARBOL • ARCHAEOLOGICAL SITE • ARCHAEOLOGY • ARCHITECTURAL • ARCHITECTURE • ASTRONOMY • ASTRONOMY: OBSERVATORY • BACKGROUND PEOPLE • BUILDING EXTERIOR • BUILDING • BUILDINGS • CHICHEN ITZA • CIUDAD DE MEXICO • CLASSIC PERIOD • CLOUD • CLOUDS • CLOUDSCAPE • COLOR IMAGE • COLOR • COLOUR IMAGE • COLOUR • CRUMBLING • DAY • DÔME • DOMED • DOMES • EL CARACOL • HERITAGE • HISTORIC • HISTORICAL • HISTORY • HORIZONTAL IMAGE • HORIZONTAL • INCIDENTAL PEOPLE • MAYAN CULTURE • MAYAN • MEXICAN • MEXICO CITY • MEXICO • MOMENT IN TIME • NORTH AMERICA • NORTH AMERICAN • OBSERVATORY • ORRERY • OUTDOOR • OUTDOORS • OUTSIDE • PEOPLE IN THE BACKGROUND • PHOTO • PHOTOGRAPH • PHOTOGRAPHY • PLANETARIUM • PLANETARY • ROCK • ROCKS • ROCKY • RUIN • RUINS • STAIRCASE • STEPS • STONE • STONES • TIERED • TOURIST DESTINATION • TRAVEL DESTINATION • TRAVEL DESTINATIONS • TRAVEL • TREE • TREES • UNESCO WORLD HERITAGE SITE • UNESCO • UNITED STATES OF AMERICA • UNITED STATES • US • USA • WALL • WORLD HERITAGE SITE • YUCATAN