Egypt's antiquities chief announced a project to restore an ancient pyramid's granite cladding. He called it "Egypt's gift to the world," gesturing to work apparently already begun. But some heritage ...

A project to restore granite blocks that once covered a greater portion of the Pyramid of Menkaure in Giza has been criticized by some preservationists. By Julia Halperin When the Egyptian authorities ...

High in the Tobacco Root Mountains of Montana, a wall of stone rises from the forest floor in clean, geometric tiers that ...