Some of the Oldest Buildings in the U.S.
Natural Building
APRIL 28, 2022
The largest cliff dwelling in North America, Cliff Palace is part of Mesa Verde National Park in Colorado. A defensive fort that can be traced to 1672, Castillo De San Marcos was built under the direction of Florida’s Spanish governor to protect the city of St. The National Park Service opened the house to the public in 1960.
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