360° scene from Ming Construction of the Great Wall

1000 AD – 1919 AD

From the stone serpent of the Great Wall to a steel bridge spanning the San Francisco fog, today's challenge traces how ambitious builders and unforgiving environments have shaped our world.

HistoryGuesser Daily5 locations30 plays1000 AD – 1919 AD

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Locations in this map

Round 1 · 1540 AD
Casual
Ming Construction of the Great Wall
To defend against Mongol raids, the Ming Dynasty transformed earlier earthworks into an impregnable stone and brick barrier, featuring sophisticated watchtowers and troop barracks along the steep ridges.
Round 2 · 1000 AD
Casual
Completion of El Castillo at Chichen Itza
This Mesoamerican step-pyramid was dedicated to the feathered serpent god Kukulcan, designed so that the spring and autumn equinox sun casts a shadow mimicking a snake slithering down its stairs.
Round 3 · 1648 AD
Tricky
Construction of the Potala Palace
Commissioned by the 5th Dalai Lama, the massive fortress took over fifty years to build on the Red Hill, serving as the winter residence of the Dalai Lamas and the center of Tibetan government.
Round 4 · 1915 AD
Tricky
Shackleton's Endurance Trapped in Pack Ice
Sir Ernest Shackleton's Imperial Trans-Antarctic Expedition was halted when their ship became immobilized in the Weddell Sea, forcing the crew to camp on the drifting ice for months before it sank.
Round 5 · 1919 AD
Expert
The Great Boston Molasses Flood
A massive commercial storage tank burst, sending a 25-foot wave of dense, sticky molasses tearing through the North End at 35 miles per hour, destroying buildings and crushing the elevated railway.