Arlington National Cemetery

"Service is continuous and the narrated commentary is informative; this is the only guided tour of the cemetery offered. If you've got plenty of stamina, consider doing part or all of the tour on foot." Full review

"The county's best-known attraction is the somber final resting place for more than 300,000 military personnel and their dependents, with veterans of every US war from the Revolution to Iraq." Full review

"While you're here, there's a good chance you might hear the clear, doleful sound of a trumpet playing taps or the sharp reports of a gun salute." Full review

"It is the right of anyone killed in action in any branch of military service, or who served for 20 years, to be buried at Arlington, along with their spouse." Full review

"Visit again and again--just not during tourist season."