#1.
1239 Spring Hill Rd., McLean, VA, UNITED STATES (Postal Code: 22102)

#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 VA 22066, United States of America
'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
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

#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.
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

#7.
1057 Thomas Jefferson Street, Washington DC, District of Columbia
It began on the swampy marshes of Jamestown in 1607. It ended on the battle scarred landscape of Yorktown i... More on recreation.gov
It's fun for kids --they get to try out period games and musical instruments--and the narrator explains wh... More on TripAdvisor

#8.
3610 Old Lee Hwy., Fairfax, Virginia
Inscription. A family farm, a Civil War encampment site, and a country home, Historic Blenheim now welcomes... More on HMDB
It is free to visit, and there are free guided tours led by volunteers. More on TripAdvisor

#9.
Reston, Fairfax County, VA
(Lake Anne, 22', 1984, pedestrian, 46-29-B) across a brook in Reston, Fairfax County, VA. Wiehle Av. (SR828) S. 0.25 miles from jct with SR606 in Reston, W. on North Shore Dr. 0.15 miles (1 block),... More on dalejtravis.com
about Lake Anne Village Center: Lake Anne Village Center is the historic heart of the award-winning, planned community of Reston, Virginia. The internationally recognized plaza is a unique destinat... More on GoCityKids

#10.
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
