Kuelap, precolombian ruin of citadel city, Chachapoyas, Peru, South America

Kuelap, precolombian ruin of citadel city, Chachapoyas view, Peru, South America

Kuelap, precolombian ruin of citadel city, Chachapoyas, Peru, South America

Kuelap, precolombian ruin of citadel city, Chachapoyas, Peru, South America

Fortress Kuelap, Chachapoyas culture, Peru, South America

Kuelap, precolombian ruin of citadel city, Chachapoyas, Peru, South America

Madaba Mosaic Map, 6th century AD, detail showing Jerusalem, Madaba, Jordan, Middle East"The mosaic represents the biblical land from Egypt to Lebanon including Sinai, Israel, Palestine and Transjordan. The Madaba Mosaic Map is on the floor of the Greek Orthodox Church of St. George, built in 1896 over the remains of a Byzantine church"

Kiz-Kala fortress, dating from the 6th century AD, Old Merv, UNESCO World Heritage Site, Turkmenia, Turkmenistan, Central Asia, Asia

Igit-Kala fortress dating from the 6th century AD, Old Merv, UNESCO World Heritage Site, Turkmenia, Turkmenistan, Central Asia, Asia

The 6th century AD Kiz Kala and Igit Kala Fortresses in Old Merv, UNESCO World Heritage Site, Turkmenia, Central Asia, Asia

Bird mosaic on floor of Roman basilica of the 5th century AD in Soli, one of Cyprus's ten ancient city kingdoms, founded in the 6th century BC, Soli, North Cyprus, Europe

Fortified Berber village of Tioulit dating from the 6th century AD, Tafraoute region, Morocco, North Africa, Africa

The Hanging Monstery (Xuankong Si), founded in the 6th century AD, near the Pass of the Golden Dragon (Jinlong Kou), 30 m above the valley floor, Hunyan, Shanxi, China, Asia

Fortified Berber village of Tioulit dating from the 6th century AD, Tafraoute region, Morocco, North Africa, Africa

The Hanging Monstery (Xuankong Si), founded in the 6th century AD, near the Pass of the Golden Dragon (Jinlong Kou), 30 m above the valley floor, Hunyan, Shanxi, China, Asia

The Hanging Monstery (Xuankong Si), founded in the 6th century AD, near the Pass of the Golden Dragon (Jinlong Kou), 30 m above the valley floor, Hunyan, Shanxi, China, Asia

Close-up of mosaic dating from the 6th century AD, Apostles Church, Madaba, Jordan, Middle East