6. Washington
The nation’s capital offers an array of options for sightseeing while sitting on double-decker bus or just by riding a bike around the wonderful sites of the city. Take a tour on the most well-known address in the country, the White House. Explore the celebrated monuments and memorials like the National Mall, the U.S. Capitol Building, and the Lincoln Memorial. Young couples will be thrilled to know that this is where they will find the first Starbucks, Microsoft and Boeing.
