7. Sechin Bajo (3500 BC), Peru
For those who want to turn their route to the American continent, the oldest building in South America is in Peru.
Sechin Bajo is an archaeological site made entirely of stone and still standing strong.
Located 330 km northwest of Lima, this stone land is one of the oldest civilized settlements and one of the oldest surviving artifacts of mankind.
According to carbon dating, the year of construction is 3500 BC.
