Featured

Photograph of people walking outside on a Self-Guided Tour of Capitol Hill
Visitors can tour many highlights on Capitol Hill without registering.

Featured

On February 24, 2010, President Barack Obama nominated Mr. Ayers to serve as...

Featured

Melvin Wells has applied what they learned at SOME to excel at AOC.
AOC's partnership with So Others Might Eat (SOME) helps "empower...

Projects

  • Featured

    Stone Preservation

    Watch our video on why stone preservation across Capitol Hill is a top priority.

    More

  • Featured

    Crumbling Down and Building Up

    Addressing the stone pandemic takes a team of historic preservationists, structural engineers and stonemasons, among others.

    More

  • Featured

    Masonry at the AOC

    The hands-on work caring for the stone founds across Capitol Hill falls to AOC masons.

    More

  • Featured

    Sandstone on Capitol Hill

    During the early years of Washington, D.C., sandstone was commonly used because could be found locally and was easy to…

    More

Stone Preservation on Capitol Hill