2-Day Washington DC Hop-on Hop-off Tour

http://www.excursionpass.com/tour/2-day-washington-dc-hop-on-hop-off-tour "Explore Washington DC at your own pace on an extensive hop-on hop-off itinerary through the heart of the nation's Capitol. The buses are open top which allows you to enjoy full 360-degree panoramic views as you travel along your route. Whether you are a first time visitor or a repeat visitor there are many things to discover on this informative tour, including: The White House, Washington Monument, Smithsonian, and ma