Wyoming
In 1871, the area that would become Yellowstone National Park underwent a survey that is photographed here.
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The Most Famous Photographs Taken In Each State
The More You Know
- “Digging a hole to China” is theoretically possible if you start in Argentina.
- About 7% of all humans who have ever lived are alive today.
- Hippos produce their own sunblock.
- The magnetic North Pole is moving.