Curated OER
Wikipedia: National Historic Landmarks in Idaho: Assay Office
This assay office symbolizes the importance of mining in the history of Idaho and the American West. Built in 1870-71, it operated by the federal government until 1933.
Curated OER
Unesco: Haiti: National History Park Citadel, Sans Souci, Ramiers
These Haitian monuments date from the beginning of the 19th century, when Haiti proclaimed its independence. The Palace of Sans Souci, the buildings at Ramiers and, in particular, the Citadel serve as universal symbols of liberty, being...