Zero milestone

Dr. S.M. Johnson with Zero Milestone. (Photo source: Library of Congress)

All Roads Lead to Washington: The Zero Milestone

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? Standing next to the White House, this small monument is easily missed, but it holds a tremendous amount of history, all contained in a 2x4 hunk of granite…well, actually it extends out a little farther than just that spot.