#1.
1234 Ingleside Avenue, Mc Lean, VA 22101

#2.
1850 Dual Highway, Hagerstown, Maryland
The Chesapeake and Ohio Canal park stretches 184.5 miles from Cumberland, Md., to the Georgetown section of Washington D.C. Hand-hewn with picks and shovels in the early 19th century, the canal pro... More on LLBean.com
Starting in Georgetown, the C&O Canal begins low alongside 19th century brick and stone buildings. This is where mules once towed canal boats that carried passengers and freight as an alternative r... More on NileGuide

#3.
Great Falls Park, c/o Turkey Run Park, George Washington Memorial Parkway, McLean, VA 22101, USA

#4.
Roosevelt Island, Washington, DC, United States
One of Theodore Roosevelt’s greatest legacies was his dedication to conservation. Today, this island stands... More on Nps.gov
Parking is limited, so it's best to get there early on weekends. More on TripAdvisor

#5.
Friendship Village, MD
'Dalecarlia Reservoir' is the primary storage basin for drinking water in Washington, D.C., fed by an underground aqueduct in turn fed by low dams which divert portions of the Potomac River near Great Falls and Little Falls.
The ... More on Wikipedia

#6.
1057 Thomas Jefferson Street, Washington DC, District of Columbia
Get a taste of 19th-century canal life on a canal boat by taking a mule-drawn boat ride down the C&O Ca... More on Weather.com
It's fun for kids --they get to try out period games and musical instruments--and the narrator explains wh... More on TripAdvisor

#7.
Great Falls VA 22066, United States of America
Inscription. The Potomac River begins as a small spring near Fairfax Stone, West Virginia. Like a giant funnel it gathers water from Pennsylvania, West Virginia, Maryland, Virginia, and the Distric... More on HMDB
'Great Falls' of the 'Potomac River' are located at the fall line of the Potomac River, upstream from Washington, D.C. Great Falls Park, operated by the National Park Service, is located on the so... More on Wikipedia

#8.
6621 Columbia Pike, Annandale, VA 22003
This fenced dog park is open from dawn to dusk. The park is controlled by the Fairfax County Park Authority and sponsored by ... More on DogFriendly.com
-yelp.com Report this You have to hike almost a 1/2 mile from your space in the parking lot to the softball field because all the soccer players get there early and fill up all the closer spots. More on KidsPlayParks

#9.
101 Independance Avenue, S.E., Washington, DC, 20540
The Library of Congress is the de facto national library of the United States and the research arm of the U... More on En.wikipedia.org
It was a great experience and will worth the time. More on Yahoo! Travel

#10.
Arlington, Virginia, United States
Upon arrival, head over to the Visitor Center, where you can view exhibits, pick up a detailed map, use ... More on Frommers
This place is powerful. You can see all the headstones from people who died hundreds of years ago ... More on Trekaroo
