John Paul Jones was the US's first naval hero and father of the US Navy. His memorial is at the National Mall.
Saratoga National Historical Park is the site of the Battle of Saratoga, the first significant American military victory in the American Revolutionary War in 1777.
Of all the tallgrass prairie that used to cover the US, only 4% remains, including this nearly 11,000-acre preserve. The park is home to a growing herd of bison.
The home of Harry S Truman, 33rd president of the United States, is located in Missouri. Ollie visited with the Jorgensons.
The Noland Home, part of the Harry S Truman National Historic Site, was where President Truman visited his favorite cousins Ethel and Nellie when he was a child. The house was acquired by the National Park Service in 1991.
Ollie visited the Little Bighorn Battlefield National Monument, home of Custer's famed "last stand." The battle fought here is one of the most famous in America's history.
Ollie made friends with a park ranger at the National Mall. This park is over 1000 acres in size.
Did you know that you can look up names at the WWII Memorial? Ollie and Ozzie looked up Ozzie's great-grandfather on their trip to the National Mall.
Ollie visited the Washington Monument again this summer. This 555-foot obelisk is made from marble, granite, and bluestone gneiss.
The world-class Filene Center at Wolf Trap National Park seats 7000 and hosts concerts from May to September. Ollie saw the band Dark Star Orchestra there and made friends with volunteers.