🇹🇷 Turkey · Temple complex
Pergamon Acropolis
Hellenistic to Roman 283 BCE–3rd c. CE · Greek (Attalid) and Roman
Attalid citadel with world's steepest theater and Altar of Zeus frieze.
🇬🇷 Greece · Temple complex
Delos Archaeological Site
Archaeic to Hellenistic-Roman 9th c. BCE–69 BCE, sacred from Bronze Age · Greek (Ionian) to Hellenistic-Roman
Sacred island birthplace of Apollo - entire island is UNESCO open-air museum.