Lake Hillier, Australia
Episode #5 of the course “Natural Wonders of the World” On Middle Island in the…
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Tsingy de Bemaraha, Madagascar
Episode #4 of the course “Natural Wonders of the World” The island of Madagascar is…
Door to Hell, Derweze, Turkmenistan
Episode #3 of the course “Natural Wonders of the World” In 1971, Soviet drillers looking…
Crystal Cave of Giants, Mexico
Episode #2 of the course “Natural Wonders of the World” In 2000, two miners in…
Vaadhoo Island, Maldives
Episode #1 of the course “Natural Wonders of the World” In the middle of the…
Ayutthaya: the world’s largest city in 1700 AD
Ayutthaya was often called the most beautiful city in the world by the diplomats who…
Kaifeng: the world’s largest city in 1200 AD
Kaifeng was located along four major canals in mainland China during the Jin Dynasty (1115…
Baghdad: the world’s largest city in 900 AD
Baghdad was the center of the Golden Age of Islam in 900 A.D. The Golden…
Constantinople: the world’s largest city in 600 AD
At its most affluent point, Constantinople was home to 600,000 people. When Emperor Diocletian ruled…
Rome: the world’s largest city in 200 AD
In 200 A.D., Rome had roughly 1,200,000 citizens, and today it has over 2,500,000 residents….