The Block House, Pittsburgh's oldest landmark received a reprieve from age and decay when work began on preserving the aging building which dates back all the way to 1764. Formerly a part of Fort Pitt and the sole surviving structure after its demolition, the preservation and restoration effort has prioritized keeping as much original timber and stone as is possible.

Work began today to preserve original timbers in the Fort Pitt Block House, the oldest known building in Pittsburgh.

The Fort Pitt Society, which owns the historic structure, said the 10-month project is being funded by an anonymous donor and the Colcom Foundation.

The block house was built in 1764 as part of Fort Pitt, which was located on what is now Pittsburgh's Point. Built in the last days of the French & Indian War, the fort was the largest British fortification in North America.

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