The Rules of When on Google Earth are as follows:
Q: What is When on Google Earth?
A: It’s a game for archaeologists, or anybody else willing to have a go!
Q: How do you play it?
A: Simple, you try to identify the site in the picture.
Q: Who wins?
A: The first person to correctly identify the site, including its major period of occupation, wins the game.
Q: What does the winner get?
A: The winner gets bragging rights and the chance to host the next When on Google Earth on his/her own blog!
Takht-i Jamshid / Persepolis terrace, Iran
Church of Saint Simeon at Qalat Siman, Syria
5th-6th c. CE
16th c. CE
Baraqish (Yathill), Yemen
ca. 2600-1900 BCE
Monte Albán, Oaxaca, Mexico
1st-5th centuries CE
Claire of Geevor Mine
Segontium, Caernarfon, Wales
77ish to about 390 CE
ca. 500 BCE-100 CE
Monks Mound (Cahokia), IL, USA
fl. 1st c. BCE
Kastro Larissa/Argos, Greece
ca. 1100 CE
8th century BCE–until 2nd Century CE
Caesarea Maritima, Israel
1st century CE–Present
Graceland, Memphis, TN, United States
Bam Citadel, Iran
pre-6th century BC–19th century CE
Myrina, Lemnos, Greece
Dambulla Cave Temple, Sri Lanka
1st century BCE
Rosetta (Rashid), Egypt
Medieval, 10th-14th centuries CE
Heather in Vienna
South Shields, England, UK
Suomenlinna/Sveaborg fortress, Helsinki, Finland
Derbent, Republic of Dagestan
Amphitheatre of Aquincum (Budapest), Hungary
The Cursus, (Stonehenge) Wiltshire
The Heuneburg, South Germany