Landmarks

When architect Thomas Franklin Schneider built a 12-story building called The Cairo in 1894, it dazzled and infuriated Washington—so much that neighbors and Congress moved to ban skyscrapers, forever changing the city’s skyline.

No doubt you are familiar with D.C.’s most prominent tributes to history -- the Washington Monument, the Lincoln Memorial, possibly even that unique sculpture of Einstein lounging on Constitution Avenue. But have you ever heard of the Zero Milestone?