El Castillo at Ingapirca, the most important Inca ruins in Ecuador
Parthenon temple on a bright day, Acropolis in Athens, Greece
Machu Picchu ruins, Urubamba Province, Peru
Kilchurn Castle in morning mist on Loch Awe in Argyll and Bute, Scotland, UK
Ruins of the ancient site of Olympia, the Philippeion in the Altis of Olympia, Greece
➤