Visit top U.S. historical spots
POSTED: 12:50 PM PDT Apr 10, 2012 UPDATED: 07:21 AM PDT Aug 30, 2013
Summer is a great time to travel and a perfect time to catch up on some great U.S. history. The history of the U.S. is as unique as the many sites marking its growth. Find out where visitors can experience America's proud heritage firsthand.