10 Most Incredible Lost Cities

7. Tiwanaku, Bolivia

Located near Lake Titicaca in Bolivia, Tiwanaku was an important regional power in the southern Andes between the 7th century and the 9th century. It is though to have been home to somewhere between 15,000 and 30,000 inhabitants or more. Around 1000 AD, climate shift prevented Tiwanaku to continue it’s food production, causing the city decline and abandonment