워싱톤DC에서 당일치기 여행 15곳
1. Mount Vernon
2. New York
3. Arlington Cemetery and Museum of American History
4. Gettysburg
5. Chesapeake Bay
6. Baltimore
7. Thomas Jefferson’s Monticello
8. Kent Island
9. Atlantic City
10. Shenandoah National Park
11. Pittsburgh
12. Ocean City Beach
13. George Washington & Jefferson National Forest
14. Antietam National Battlefield
15. Green Ridge State Forest
