Summerseat. Washington's headquarters Dec. 8-14, 1776. Built in 1773 by Thomas Barkley; restored in 1931. Owners included Robert Morris and George Clymer. Located at Legion and Clymer Aves.

At site, Legion Ave., near Hillcrest Ave., Morrisville, PA, United States

Pennsylvania. Founded 1681 by William Penn as a Quaker Commonwealth. Birthplace of THE DECLARATION OF INDEPENDENCE and THE CONSTITUTION OF THE UNITED STATES.

Bridge St. (Old US 1 / Rt. 32), at Central Ave., 1 block from Delaware River, Morrisville, PA, United States